示例#1
0
 def __init__(self, video_path):
     self.source = File_Source(
         SimpleNamespace(), source_path=video_path, timing=None, fill_gaps=True
     )
     if not self.source.initialised:
         raise FileNotFoundError(video_path)
     self.current_frame = self.source.get_frame()
示例#2
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 def __init__(self, video_path):
     try:
         self.source = File_Source(_Empty(),
                                   source_path=video_path,
                                   timing=None)
     except AssertionError as err:
         raise FileNotFoundError(video_path) from err
     self.current_frame = self.source.get_frame()
示例#3
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 def initliaze_video(self, rec_dir, world_timestamps):
     eye_loc = os.path.join(rec_dir, 'eye{}.*'.format(self.eyeid))
     try:
         self.source = File_Source(Empty(), source_path=glob(eye_loc)[0])
         self.current_eye_frame = self.source.get_frame()
     except (FileNotFoundError, IndexError, FileCaptureError):
         logger.warning('Video for eye{} was not found or could not be opened.'.format(self.eyeid))
     else:
         self.eye_world_frame_map = correlate_eye_world(self.source.timestamps, world_timestamps)
         if self.menu is not None:
             self.menu.read_only = False
def _convert_video_file(
    input_file,
    output_file,
    export_range,
    world_timestamps,
    process_frame,
    timestamp_export_format,
):
    yield "Export video", 0.0
    input_source = File_Source(SimpleNamespace(), input_file, fill_gaps=True)
    if not input_source.initialised:
        yield "Exporting video failed", 0.0
        return

    # yield progress results two times per second
    update_rate = int(input_source.frame_rate / 2)

    export_start, export_stop = export_range  # export_stop is exclusive
    export_window = pm.exact_window(world_timestamps, (export_start, export_stop - 1))
    (export_from_index, export_to_index) = pm.find_closest(
        input_source.timestamps, export_window
    )

    #  NOTE: Start time of the export recording will be synced with world recording
    #  export! This means that if the recording to export started later than the world
    #  video, the first frame of the exported recording will not be at timestamp 0 in
    #  the recording, but later. Some video players (e.g. VLC on windows) might display
    #  the video weirdly in this case, but we rather want syncronization between the
    #  exported video!
    start_time = export_window[0]
    writer = MPEG_Writer(output_file, start_time)

    input_source.seek_to_frame(export_from_index)
    next_update_idx = export_from_index + update_rate
    while True:
        try:
            input_frame = input_source.get_frame()
        except EndofVideoError:
            break
        if input_frame.index >= export_to_index:
            break

        output_img = process_frame(input_source, input_frame)
        output_frame = input_frame
        output_frame._img = output_img  # it's ._img because .img has no setter
        writer.write_video_frame(output_frame)

        if input_source.get_frame_index() >= next_update_idx:
            progress = (input_source.get_frame_index() - export_from_index) / (
                export_to_index - export_from_index
            )
            yield "Exporting video", progress * 100.0
            next_update_idx += update_rate

    writer.close(timestamp_export_format)
    input_source.cleanup()
    yield "Exporting video completed", 100.0
示例#5
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class FrameFetcher:
    __slots__ = ("source", "current_frame")

    def __init__(self, video_path):
        self.source = File_Source(SimpleNamespace(),
                                  source_path=video_path,
                                  timing=None,
                                  fill_gaps=True)
        if not self.source.initialised:
            raise FileNotFoundError(video_path)
        self.current_frame = self.source.get_frame()

    def closest_frame_to_ts(self, ts):
        closest_idx = pm.find_closest(self.source.timestamps, ts)
        return self.frame_for_idx(closest_idx)

    def frame_for_idx(self, requested_frame_idx):
        if requested_frame_idx != self.current_frame.index:
            if requested_frame_idx == self.source.get_frame_index() + 2:
                # if we just need to seek by one frame,
                # its faster to just read one and and throw it away.
                self.source.get_frame()
            if requested_frame_idx != self.source.get_frame_index() + 1:
                self.source.seek_to_frame(int(requested_frame_idx))

            try:
                self.current_frame = self.source.get_frame()
            except EndofVideoError:
                logger.info("End of video {}.".format(self.source.source_path))
        return self.current_frame
def _convert_video_file(
    input_file,
    output_file,
    export_range,
    world_timestamps,
    process_frame,
    timestamp_export_format,
):
    yield "Export video", 0.0
    input_source = File_Source(EmptyGPool(), input_file, fill_gaps=True)
    if not input_source.initialised:
        yield "Exporting video failed", 0.0
        return

    # yield progress results two times per second
    update_rate = int(input_source.frame_rate / 2)

    export_start, export_stop = export_range  # export_stop is exclusive
    export_window = pm.exact_window(world_timestamps,
                                    (export_start, export_stop - 1))
    (export_from_index,
     export_to_index) = pm.find_closest(input_source.timestamps, export_window)
    writer = AV_Writer(output_file,
                       fps=input_source.frame_rate,
                       audio_dir=None,
                       use_timestamps=True)
    input_source.seek_to_frame(export_from_index)
    next_update_idx = export_from_index + update_rate
    while True:
        try:
            input_frame = input_source.get_frame()
        except EndofVideoError:
            break
        if input_frame.index >= export_to_index:
            break

        output_img = process_frame(input_source, input_frame)
        output_frame = input_frame
        output_frame._img = output_img  # it's ._img because .img has no setter
        writer.write_video_frame(output_frame)

        if input_source.get_frame_index() >= next_update_idx:
            progress = (input_source.get_frame_index() - export_from_index) / (
                export_to_index - export_from_index)
            yield "Exporting video", progress * 100.0
            next_update_idx += update_rate

    writer.close(timestamp_export_format)
    input_source.cleanup()
    yield "Exporting video completed", 100.0
示例#7
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    def __init__(self,g_pool,alpha=0.6,eye_scale_factor=.5,move_around=0,mirror={'0':False,'1':False}, flip={'0':False,'1':False},pos=[(640,10),(10,10)], show_ellipses=True):
        super().__init__(g_pool)
        self.order = .6
        self.menu = None

        # user controls
        self.alpha = alpha #opacity level of eyes
        self.eye_scale_factor = eye_scale_factor #scale
        self.showeyes = 0,1 #modes: any text containg both means both eye is present, on 'only eye1' if only one eye recording
        self.move_around = move_around #boolean whether allow to move clip around screen or not
        self.video_size = [0,0] #video_size of recording (bc scaling)
        self.show_ellipses = show_ellipses

        #variables specific to each eye
        self.eye_frames = []
        self.eye_world_frame_map = []
        self.eye_cap = []
        self.mirror = mirror #do we horiz flip first eye
        self.flip = flip #do we vert flip first eye
        self.pos = [list(pos[0]),list(pos[1])] #positions of 2 eyes
        self.drag_offset = [None,None]

        # load eye videos and eye timestamps
        if VersionFormat(self.g_pool.meta_info['Capture Software Version'][1:]) < VersionFormat('0.4'):
            eye_video_path = os.path.join(g_pool.rec_dir,'eye.avi'),'None'
            eye_timestamps_path = os.path.join(g_pool.rec_dir,'eye_timestamps.npy'),'None'
        else:
            eye_video_path = os.path.join(g_pool.rec_dir,'eye0.*'),os.path.join(g_pool.rec_dir,'eye1.*')
            eye_timestamps_path = os.path.join(g_pool.rec_dir,'eye0_timestamps.npy'),os.path.join(g_pool.rec_dir,'eye1_timestamps.npy')

        #try to load eye video and ts for each eye.
        for video,ts in zip(eye_video_path,eye_timestamps_path):
            try:
                class empty(object):
                    pass
                self.eye_cap.append(File_Source(empty(),source_path=glob(video)[0],timestamps=np.load(ts)))
            except(IndexError,FileCaptureError):
                pass
            else:
                self.eye_frames.append(self.eye_cap[-1].get_frame())
            try:
                eye_timestamps = list(np.load(ts))
            except:
                pass
            else:
                self.eye_world_frame_map.append(correlate_eye_world(eye_timestamps,g_pool.timestamps))

        if len(self.eye_cap) == 2:
            logger.debug("Loaded binocular eye video data.")
        elif len(self.eye_cap) == 1:
            logger.debug("Loaded monocular eye video data")
            self.showeyes = (0,)
        else:
            logger.error("Could not load eye video.")
            self.alive = False
            return
def _convert_video_file(
    input_file,
    output_file,
    export_range,
    world_timestamps,
    process_frame,
    timestamp_export_format,
):
    yield "Export video", 0.0
    input_source = File_Source(SimpleNamespace(), input_file, fill_gaps=True)
    if not input_source.initialised:
        yield "Exporting video failed", 0.0
        return

    # yield progress results two times per second
    update_rate = int(input_source.frame_rate / 2)

    export_start, export_stop = export_range  # export_stop is exclusive
    export_window = pm.exact_window(world_timestamps, (export_start, export_stop - 1))
    (export_from_index, export_to_index) = pm.find_closest(
        input_source.timestamps, export_window
    )
    writer = AV_Writer(
        output_file, fps=input_source.frame_rate, audio_dir=None, use_timestamps=True
    )
    input_source.seek_to_frame(export_from_index)
    next_update_idx = export_from_index + update_rate
    while True:
        try:
            input_frame = input_source.get_frame()
        except EndofVideoError:
            break
        if input_frame.index >= export_to_index:
            break

        output_img = process_frame(input_source, input_frame)
        output_frame = input_frame
        output_frame._img = output_img  # it's ._img because .img has no setter
        writer.write_video_frame(output_frame)

        if input_source.get_frame_index() >= next_update_idx:
            progress = (input_source.get_frame_index() - export_from_index) / (
                export_to_index - export_from_index
            )
            yield "Exporting video", progress * 100.0
            next_update_idx += update_rate

    writer.close(timestamp_export_format)
    input_source.cleanup()
    yield "Exporting video completed", 100.0
示例#9
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    def __init__(self,g_pool,alpha=0.6,eye_scale_factor=.5,move_around=0,mirror={'0':False,'1':False}, flip={'0':False,'1':False},pos=[(640,10),(10,10)]):
        super(Eye_Video_Overlay, self).__init__(g_pool)
        self.order = .6
        self.menu = None

        # user controls
        self.alpha = alpha #opacity level of eyes
        self.eye_scale_factor = eye_scale_factor #scale
        self.showeyes = 0,1 #modes: any text containg both means both eye is present, on 'only eye1' if only one eye recording
        self.move_around = move_around #boolean whether allow to move clip around screen or not
        self.video_size = [0,0] #video_size of recording (bc scaling)

        #variables specific to each eye
        self.eye_frames = []
        self.eye_world_frame_map = []
        self.eye_cap = []
        self.mirror = mirror #do we horiz flip first eye
        self.flip = flip #do we vert flip first eye
        self.pos = [list(pos[0]),list(pos[1])] #positions of 2 eyes
        self.drag_offset = [None,None]

        # load eye videos and eye timestamps
        if g_pool.rec_version < VersionFormat('0.4'):
            eye_video_path = os.path.join(g_pool.rec_dir,'eye.avi'),'None'
            eye_timestamps_path = os.path.join(g_pool.rec_dir,'eye_timestamps.npy'),'None'
        else:
            eye_video_path = os.path.join(g_pool.rec_dir,'eye0.*'),os.path.join(g_pool.rec_dir,'eye1.*')
            eye_timestamps_path = os.path.join(g_pool.rec_dir,'eye0_timestamps.npy'),os.path.join(g_pool.rec_dir,'eye1_timestamps.npy')

        #try to load eye video and ts for each eye.
        for video,ts in zip(eye_video_path,eye_timestamps_path):
            try:
                self.eye_cap.append(File_Source(self.g_pool,source_path=glob(video)[0],timestamps=np.load(ts)))
            except IndexError,FileCaptureError:
                pass
            else:
                self.eye_frames.append(self.eye_cap[-1].get_frame())
            try:
                eye_timestamps = list(np.load(ts))
            except:
                pass
            else:
                self.eye_world_frame_map.append(correlate_eye_world(eye_timestamps,g_pool.timestamps))
示例#10
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def export_undistorted_h264(distorted_video_loc, target_video_loc,
                            export_range):
    yield "Converting scene video", .1
    capture = File_Source(Empty(), distorted_video_loc)
    if not capture.initialised:
        yield "Converting scene video failed", 0.
        return

    update_rate = 10
    start_time = None
    time_base = Fraction(1, 65535)
    average_fps = int(
        len(capture.timestamps) /
        (capture.timestamps[-1] - capture.timestamps[0]))

    target_container = av.open(target_video_loc, 'w')
    video_stream = target_container.add_stream('mpeg4', 1 / time_base)
    video_stream.bit_rate = 150e6
    video_stream.bit_rate_tolerance = video_stream.bit_rate / 20
    video_stream.thread_count = max(1, mp.cpu_count() - 1)
    video_stream.width, video_stream.height = capture.frame_size

    av_frame = av.VideoFrame(*capture.frame_size, 'bgr24')
    av_frame.time_base = time_base

    capture.seek_to_frame(export_range[0])
    next_update_idx = export_range[0] + update_rate
    while True:
        try:
            frame = capture.get_frame()
        except EndofVideoError:
            break

        if frame.index > export_range[1]:
            break

        if start_time is None:
            start_time = frame.timestamp

        undistorted_img = capture.intrinsics.undistort(frame.img)
        av_frame.planes[0].update(undistorted_img)
        av_frame.pts = int((frame.timestamp - start_time) / time_base)

        packet = video_stream.encode(av_frame)
        if packet:
            target_container.mux(packet)

        if capture.current_frame_idx >= next_update_idx:
            progress = ((capture.current_frame_idx - export_range[0]) /
                        (export_range[1] - export_range[0])) * .9 + .1
            yield "Converting scene video", progress * 100.
            next_update_idx += update_rate

    while True:  # flush encoder
        packet = video_stream.encode()
        if packet:
            target_container.mux(packet)
        else:
            break

    target_container.close()
    capture.cleanup()
    yield "Converting scene video completed", 1. * 100.
示例#11
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def _export_world_video(
    rec_dir,
    user_dir,
    min_data_confidence,
    start_frame,
    end_frame,
    plugin_initializers,
    out_file_path,
    pre_computed_eye_data,
):
    """
    Simulates the generation for the world video and saves a certain time range as a video.
    It simulates a whole g_pool such that all plugins run as normal.
    """
    from glob import glob
    from time import time

    import file_methods as fm
    import player_methods as pm
    from av_writer import AV_Writer

    # we are not importing manual gaze correction. In Player corrections have already been applied.
    # in batch exporter this plugin makes little sense.
    from fixation_detector import Offline_Fixation_Detector

    # Plug-ins
    from plugin import Plugin_List, import_runtime_plugins
    from video_capture import EndofVideoError, File_Source
    from vis_circle import Vis_Circle
    from vis_cross import Vis_Cross
    from vis_eye_video_overlay import Vis_Eye_Video_Overlay
    from vis_light_points import Vis_Light_Points
    from vis_polyline import Vis_Polyline
    from vis_scan_path import Vis_Scan_Path
    from vis_watermark import Vis_Watermark

    PID = str(os.getpid())
    logger = logging.getLogger(__name__ + " with pid: " + PID)
    start_status = "Starting video export with pid: {}".format(PID)
    logger.info(start_status)
    yield start_status, 0

    try:
        vis_plugins = sorted(
            [
                Vis_Circle,
                Vis_Cross,
                Vis_Polyline,
                Vis_Light_Points,
                Vis_Watermark,
                Vis_Scan_Path,
                Vis_Eye_Video_Overlay,
            ],
            key=lambda x: x.__name__,
        )
        analysis_plugins = [Offline_Fixation_Detector]
        user_plugins = sorted(
            import_runtime_plugins(os.path.join(user_dir, "plugins")),
            key=lambda x: x.__name__,
        )

        available_plugins = vis_plugins + analysis_plugins + user_plugins
        name_by_index = [p.__name__ for p in available_plugins]
        plugin_by_name = dict(zip(name_by_index, available_plugins))

        meta_info = pm.load_meta_info(rec_dir)

        g_pool = GlobalContainer()
        g_pool.app = "exporter"
        g_pool.min_data_confidence = min_data_confidence

        valid_ext = (".mp4", ".mkv", ".avi", ".h264", ".mjpeg", ".fake")
        try:
            video_path = next(f for f in glob(os.path.join(rec_dir, "world.*"))
                              if os.path.splitext(f)[1] in valid_ext)
        except StopIteration:
            raise FileNotFoundError("No Video world found")
        cap = File_Source(g_pool,
                          source_path=video_path,
                          fill_gaps=True,
                          timing=None)

        timestamps = cap.timestamps

        file_name = os.path.basename(out_file_path)
        dir_name = os.path.dirname(out_file_path)
        out_file_path = os.path.expanduser(os.path.join(dir_name, file_name))

        if os.path.isfile(out_file_path):
            logger.warning("Video out file already exsists. I will overwrite!")
            os.remove(out_file_path)
        logger.debug("Saving Video to {}".format(out_file_path))

        # Trim mark verification
        # make sure the trim marks (start frame, end frame) make sense:
        # We define them like python list slices, thus we can test them like such.
        trimmed_timestamps = timestamps[start_frame:end_frame]
        if len(trimmed_timestamps) == 0:
            warn = "Start and end frames are set such that no video will be exported."
            logger.warning(warn)
            yield warn, 0.0
            return

        if start_frame is None:
            start_frame = 0

        # these two vars are shared with the launching process and give a job length and progress report.
        frames_to_export = len(trimmed_timestamps)
        current_frame = 0
        exp_info = (
            "Will export from frame {} to frame {}. This means I will export {} frames."
        )
        logger.debug(
            exp_info.format(start_frame, start_frame + frames_to_export,
                            frames_to_export))

        # setup of writer
        writer = AV_Writer(out_file_path,
                           fps=cap.frame_rate,
                           audio_dir=rec_dir,
                           use_timestamps=True)

        cap.seek_to_frame(start_frame)

        start_time = time()

        g_pool.plugin_by_name = plugin_by_name
        g_pool.capture = cap
        g_pool.rec_dir = rec_dir
        g_pool.user_dir = user_dir
        g_pool.meta_info = meta_info
        g_pool.timestamps = timestamps
        g_pool.delayed_notifications = {}
        g_pool.notifications = []

        for initializers in pre_computed_eye_data.values():
            initializers["data"] = [
                fm.Serialized_Dict(msgpack_bytes=serialized)
                for serialized in initializers["data"]
            ]

        g_pool.pupil_positions = pm.Bisector(**pre_computed_eye_data["pupil"])
        g_pool.gaze_positions = pm.Bisector(**pre_computed_eye_data["gaze"])
        g_pool.fixations = pm.Affiliator(**pre_computed_eye_data["fixations"])

        # add plugins
        g_pool.plugins = Plugin_List(g_pool, plugin_initializers)

        while frames_to_export > current_frame:
            try:
                frame = cap.get_frame()
            except EndofVideoError:
                break

            events = {"frame": frame}
            # new positions and events
            frame_window = pm.enclosing_window(g_pool.timestamps, frame.index)
            events["gaze"] = g_pool.gaze_positions.by_ts_window(frame_window)
            events["pupil"] = g_pool.pupil_positions.by_ts_window(frame_window)

            # publish delayed notifications when their time has come.
            for n in list(g_pool.delayed_notifications.values()):
                if n["_notify_time_"] < time():
                    del n["_notify_time_"]
                    del g_pool.delayed_notifications[n["subject"]]
                    g_pool.notifications.append(n)

            # notify each plugin if there are new notifications:
            while g_pool.notifications:
                n = g_pool.notifications.pop(0)
                for p in g_pool.plugins:
                    p.on_notify(n)

            # allow each Plugin to do its work.
            for p in g_pool.plugins:
                p.recent_events(events)

            writer.write_video_frame(frame)
            current_frame += 1
            yield "Exporting with pid {}".format(PID), current_frame

        writer.close(timestamp_export_format="all")

        duration = time() - start_time
        effective_fps = float(current_frame) / duration

        result = "Export done: Exported {} frames to {}. This took {} seconds. Exporter ran at {} frames per second."
        logger.info(
            result.format(current_frame, out_file_path, duration,
                          effective_fps))
        yield "Export done. This took {:.0f} seconds.".format(
            duration), current_frame

    except GeneratorExit:
        logger.warning("Video export with pid {} was canceled.".format(
            os.getpid()))
示例#12
0
class Eye_Wrapper(object):
    def __init__(self,
                 g_pool,
                 eyeid,
                 pos,
                 hdpi_fac=1.0,
                 hflip=False,
                 vflip=False):
        super().__init__()
        self.g_pool = g_pool
        self.eyeid = eyeid
        self.pos = pos
        self.hflip = hflip
        self.vflip = vflip
        self.source = None
        self.eye_world_frame_map = None
        self.current_eye_frame = None
        self.drag_offset = None
        self.menu = None
        self.hdpi_fac = hdpi_fac

    def initliaze_video(self, rec_dir, world_timestamps):
        eye_loc = os.path.join(rec_dir, "eye{}.*".format(self.eyeid))
        try:
            self.source = File_Source(SimpleNamespace(),
                                      source_path=glob(eye_loc)[0],
                                      timing=None)
            self.current_eye_frame = self.source.get_frame()
        except (FileNotFoundError, IndexError):
            logger.warning(
                "Video for eye{} was not found or could not be opened.".format(
                    self.eyeid))
        else:
            self.eye_world_frame_map = correlate_eye_world(
                self.source.timestamps, world_timestamps)
            if self.menu is not None:
                self.menu.read_only = False

    def add_eye_menu(self, parent):
        self.menu = ui.Growing_Menu("Eye {}".format(self.eyeid))
        parent.append(self.menu)
        self.menu.append(ui.Switch("hflip", self, label="Horizontal flip"))
        self.menu.append(ui.Switch("vflip", self, label="Vertical flip"))
        self.menu.read_only = not self.initialized

    def remove_eye_menu(self, parent):
        parent.remove(self.menu)
        self.menu = None

    def deinitliaze_video(self):
        self.source = None
        self.eye_world_frame_map = None
        self.current_eye_frame = None
        if self.menu is not None:
            self.menu.read_only = True

    @property
    def initialized(self):
        return self.source is not None

    @property
    def config(self):
        return {"pos": self.pos, "hflip": self.hflip, "vflip": self.vflip}

    def visualize(self, frame, alpha, scale, show_ellipses, pupil_positions):
        if not self.initialized:
            return

        requested_eye_frame_idx = self.eye_world_frame_map[frame.index]
        # 1. do we need a new frame?
        if requested_eye_frame_idx != self.current_eye_frame.index:
            if requested_eye_frame_idx == self.source.get_frame_index() + 2:
                # if we just need to seek by one frame, its faster to just read one and and throw it away.
                self.source.get_frame()
            if requested_eye_frame_idx != self.source.get_frame_index() + 1:
                self.source.seek_to_frame(int(requested_eye_frame_idx))

            try:
                self.current_eye_frame = self.source.get_frame()
            except EndofVideoError:
                logger.info(
                    "Reached the end of the eye video for eye video {}.".
                    format(self.eyeid))

        # 2. dragging image
        if self.drag_offset is not None:
            x, y = glfwGetCursorPos(glfwGetCurrentContext())
            pos = x * self.hdpi_fac, y * self.hdpi_fac
            pos = normalize(pos, self.g_pool.camera_render_size)
            # Position in img pixels
            pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))
            self.pos = (
                int(pos[0] + self.drag_offset[0]),
                int(pos[1] + self.drag_offset[1]),
            )

        # 3. keep in image bounds, do this even when not dragging because the image video_sizes could change.
        video_size = (
            round(self.current_eye_frame.width * scale),
            round(self.current_eye_frame.height * scale),
        )

        # frame.img.shape[0] is height, frame.img.shape[1] is width of screen
        self.pos = (
            min(frame.img.shape[1] - video_size[0], max(self.pos[0], 0)),
            min(frame.img.shape[0] - video_size[1], max(self.pos[1], 0)),
        )

        # 4. flipping images, converting to greyscale
        eyeimage = self.current_eye_frame.gray
        eyeimage = cv2.cvtColor(eyeimage, cv2.COLOR_GRAY2BGR)

        if show_ellipses:
            try:
                pp = next(
                    (pp for pp in pupil_positions if pp["id"] == self.eyeid
                     and pp["timestamp"] == self.current_eye_frame.timestamp))
            except StopIteration:
                pass
            else:
                draw_pupil_on_image(eyeimage, pp)

        # flip and scale
        eyeimage = cv2.resize(eyeimage, (0, 0), fx=scale, fy=scale)
        if self.hflip:
            eyeimage = np.fliplr(eyeimage)
        if self.vflip:
            eyeimage = np.flipud(eyeimage)

        transparent_image_overlay(self.pos, eyeimage, frame.img, alpha)

    def on_click(self, pos, button, action, hdpi_fac, eye_scale):
        self.hdpi_fac = hdpi_fac
        if not self.initialized:
            return False  # click event has not been consumed

        video_size = (
            round(self.current_eye_frame.width * eye_scale),
            round(self.current_eye_frame.height * eye_scale),
        )

        if (self.pos[0] < pos[0] < self.pos[0] + video_size[0]
                and self.pos[1] < pos[1] < self.pos[1] + video_size[1]):
            self.drag_offset = self.pos[0] - pos[0], self.pos[1] - pos[1]
            return True
        else:
            self.drag_offset = None
            return False
示例#13
0
文件: exporter.py 项目: xiuxi/pupil
def export(rec_dir,
           user_dir,
           min_data_confidence,
           start_frame=None,
           end_frame=None,
           plugin_initializers=(),
           out_file_path=None,
           pre_computed={}):

    logger = logging.getLogger(__name__ + ' with pid: ' + str(os.getpid()))
    start_status = 'Starting video export with pid: {}'.format(os.getpid())
    print(start_status)
    yield start_status, 0

    try:
        update_recording_to_recent(rec_dir)

        vis_plugins = sorted([
            Vis_Circle, Vis_Cross, Vis_Polyline, Vis_Light_Points,
            Vis_Watermark, Vis_Scan_Path, Vis_Eye_Video_Overlay
        ],
                             key=lambda x: x.__name__)
        analysis_plugins = [Offline_Fixation_Detector]
        user_plugins = sorted(import_runtime_plugins(
            os.path.join(user_dir, 'plugins')),
                              key=lambda x: x.__name__)

        available_plugins = vis_plugins + analysis_plugins + user_plugins
        name_by_index = [p.__name__ for p in available_plugins]
        plugin_by_name = dict(zip(name_by_index, available_plugins))

        update_recording_to_recent(rec_dir)

        video_path = [
            f for f in glob(os.path.join(rec_dir, "world.*"))
            if os.path.splitext(f)[-1] in ('.mp4', '.mkv', '.avi', '.mjpeg')
        ][0]
        pupil_data_path = os.path.join(rec_dir, "pupil_data")
        audio_path = os.path.join(rec_dir, "audio.mp4")

        meta_info = load_meta_info(rec_dir)

        g_pool = Global_Container()
        g_pool.app = 'exporter'
        g_pool.min_data_confidence = min_data_confidence
        cap = File_Source(g_pool, video_path)
        timestamps = cap.timestamps

        # Out file path verification, we do this before but if one uses a separate tool, this will kick in.
        if out_file_path is None:
            out_file_path = os.path.join(rec_dir, "world_viz.mp4")
        else:
            file_name = os.path.basename(out_file_path)
            dir_name = os.path.dirname(out_file_path)
            if not dir_name:
                dir_name = rec_dir
            if not file_name:
                file_name = 'world_viz.mp4'
            out_file_path = os.path.expanduser(
                os.path.join(dir_name, file_name))

        if os.path.isfile(out_file_path):
            logger.warning("Video out file already exsists. I will overwrite!")
            os.remove(out_file_path)
        logger.debug("Saving Video to {}".format(out_file_path))

        # Trim mark verification
        # make sure the trim marks (start frame, endframe) make sense:
        # We define them like python list slices, thus we can test them like such.
        trimmed_timestamps = timestamps[start_frame:end_frame]
        if len(trimmed_timestamps) == 0:
            warn = "Start and end frames are set such that no video will be exported."
            logger.warning(warn)
            yield warn, 0.
            return

        if start_frame is None:
            start_frame = 0

        # these two vars are shared with the lauching process and give a job length and progress report.
        frames_to_export = len(trimmed_timestamps)
        current_frame = 0
        exp_info = "Will export from frame {} to frame {}. This means I will export {} frames."
        logger.debug(
            exp_info.format(start_frame, start_frame + frames_to_export,
                            frames_to_export))

        # setup of writer
        writer = AV_Writer(out_file_path,
                           fps=cap.frame_rate,
                           audio_loc=audio_path,
                           use_timestamps=True)

        cap.seek_to_frame(start_frame)

        start_time = time()

        g_pool.plugin_by_name = plugin_by_name
        g_pool.capture = cap
        g_pool.rec_dir = rec_dir
        g_pool.user_dir = user_dir
        g_pool.meta_info = meta_info
        g_pool.timestamps = timestamps
        g_pool.delayed_notifications = {}
        g_pool.notifications = []
        # load pupil_positions, gaze_positions
        pupil_data = pre_computed.get("pupil_data") or load_object(
            pupil_data_path)
        g_pool.pupil_data = pupil_data
        g_pool.pupil_positions = pre_computed.get(
            "pupil_positions") or pupil_data['pupil_positions']
        g_pool.gaze_positions = pre_computed.get(
            "gaze_positions") or pupil_data['gaze_positions']
        g_pool.fixations = []  # populated by the fixation detector plugin

        g_pool.pupil_positions_by_frame = correlate_data(
            g_pool.pupil_positions, g_pool.timestamps)
        g_pool.gaze_positions_by_frame = correlate_data(
            g_pool.gaze_positions, g_pool.timestamps)
        g_pool.fixations_by_frame = [
            [] for x in g_pool.timestamps
        ]  # populated by the fixation detector plugin

        # add plugins
        g_pool.plugins = Plugin_List(g_pool, plugin_initializers)

        while frames_to_export > current_frame:
            try:
                frame = cap.get_frame()
            except EndofVideoFileError:
                break

            events = {'frame': frame}
            # new positons and events
            events['gaze_positions'] = g_pool.gaze_positions_by_frame[
                frame.index]
            events['pupil_positions'] = g_pool.pupil_positions_by_frame[
                frame.index]

            # publish delayed notifiactions when their time has come.
            for n in list(g_pool.delayed_notifications.values()):
                if n['_notify_time_'] < time():
                    del n['_notify_time_']
                    del g_pool.delayed_notifications[n['subject']]
                    g_pool.notifications.append(n)

            # notify each plugin if there are new notifactions:
            while g_pool.notifications:
                n = g_pool.notifications.pop(0)
                for p in g_pool.plugins:
                    p.on_notify(n)

            # allow each Plugin to do its work.
            for p in g_pool.plugins:
                p.recent_events(events)

            writer.write_video_frame(frame)
            current_frame += 1
            yield 'Exporting', current_frame

        writer.close()
        writer = None

        duration = time() - start_time
        effective_fps = float(current_frame) / duration

        result = "Export done: Exported {} frames to {}. This took {} seconds. Exporter ran at {} frames per second."
        print(
            result.format(current_frame, out_file_path, duration,
                          effective_fps))
        yield 'Export done. This took {:.0f} seconds.'.format(
            duration), current_frame

    except GeneratorExit:
        print('Video export with pid {} was canceled.'.format(os.getpid()))
    except:
        from time import sleep
        import traceback
        trace = traceback.format_exc()
        print('Process Export (pid: {}) crashed with trace:\n{}'.format(
            os.getpid(), trace))
        sleep(1.0)
示例#14
0
def session(rec_dir):
    plugin_dir = os.path.join(user_dir, 'plugins')
    if not os.path.isdir(plugin_dir):
        os.mkdir(plugin_dir)
    runtime_plugins = import_runtime_plugins(plugin_dir)

    system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
    vis_plugins = sorted([Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross,
                          Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path], key=lambda x: x.__name__)

    analysis_plugins = sorted([Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
                               Manual_Gaze_Correction, Video_Export_Launcher, Offline_Surface_Tracker,
                               Raw_Data_Exporter, Batch_Exporter, Annotation_Player], key=lambda x: x.__name__)

    other_plugins = sorted([Log_History, Marker_Auto_Trim_Marks], key=lambda x: x.__name__)
    user_plugins = sorted(runtime_plugins, key=lambda x: x.__name__)

    user_launchable_plugins = vis_plugins + analysis_plugins + other_plugins + user_plugins
    available_plugins = system_plugins + user_launchable_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    # Callback functions
    def on_resize(window, w, h):
        if gl_utils.is_window_visible(window):
            hdpi_factor = float(glfwGetFramebufferSize(window)[0] / glfwGetWindowSize(window)[0])
            g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
            g_pool.gui.update_window(w, h)
            g_pool.gui.collect_menus()
            for g in g_pool.graphs:
                g.scale = hdpi_factor
                g.adjust_window_size(w, h)
            gl_utils.adjust_gl_view(w, h)
            for p in g_pool.plugins:
                p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y*scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x].decode('utf-8')
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '{}'".format(new_rec_dir))
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))

    tick = delta_t()

    def get_dt():
        return next(tick)

    update_recording_to_recent(rec_dir)

    video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)
    app_version = get_version(version_file)

    # log info about Pupil Platform and Platform in player.log
    logger.info('Application Version: {}'.format(app_version))
    logger.info('System Info: {}'.format(get_system_info()))

    timestamps = np.load(timestamps_path)

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'

    # Initialize capture
    cap = File_Source(g_pool, video_path, timestamps=list(timestamps))

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if VersionFormat(session_settings.get("version", '0.0')) < get_version(version_file):
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', window_position_default)
    main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
                                   + rec_dir.split(os.path.sep)[-1], None, None)
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    def set_scale(new_scale):
        g_pool.gui_user_scale = new_scale
        on_resize(main_window, *glfwGetFramebufferSize(main_window))

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']
    g_pool.pupil_data = pupil_data
    g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
    g_pool.version = app_version
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.meta_info = meta_info
    g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except(FileSeekError):
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index()-2)
        except(FileSeekError):
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def toggle_play(new_state):
        if cap.get_frame_index() >= cap.get_frame_count()-5:
            cap.seek_to_frame(1)  # avoid pause set by hitting trimmark pause.
            logger.warning("End of video - restart at beginning.")
        g_pool.play = new_state

    def set_data_confidence(new_confidence):
        g_pool.min_data_confidence = new_confidence
        notification = {'subject': 'min_data_confidence_changed'}
        notification['_notify_time_'] = time()+.8
        g_pool.delayed_notifications[notification['subject']] = notification

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = slice(g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark)
        export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(export_range.start, export_range.stop))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
                logger.warning(overwrite_warning.format(export_range.start, export_range.stop))
        else:
            logger.info('Created export dir at "{}"'.format(export_dir))

        notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
        g_pool.notifications.append(notification)

    g_pool.gui = ui.UI()
    g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
    g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 500))
    g_pool.main_menu.append(ui.Button('Reset window size',
                                      lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
    g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
    g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
    g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
                                      step=.05, min=0.0, max=1.0, label='Confidence threshold'))

    selector_label = "Select to load"

    vis_labels = ["   " + p.__name__.replace('_', ' ') for p in vis_plugins]
    analysis_labels = ["   " + p.__name__.replace('_', ' ') for p in analysis_plugins]
    other_labels = ["   " + p.__name__.replace('_', ' ') for p in other_plugins]
    user_labels = ["   " + p.__name__.replace('_', ' ') for p in user_plugins]

    plugins = ([selector_label, selector_label] + vis_plugins + [selector_label] + analysis_plugins + [selector_label]
               + other_plugins + [selector_label] + user_plugins)
    labels = ([selector_label, "Visualization"] + vis_labels + ["Analysis"] + analysis_labels + ["Other"]
              + other_labels + ["User added"] + user_labels)

    g_pool.main_menu.append(ui.Selector('Open plugin:',
                                        selection=plugins,
                                        labels=labels,
                                        setter=open_plugin,
                                        getter=lambda: selector_label))

    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label=chr(0xf04b),
                                  setter=toggle_play,
                                  hotkey=GLFW_KEY_SPACE,
                                  label_font='fontawesome',
                                  label_offset_x=5,
                                  label_offset_y=0,
                                  label_offset_size=-24)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     label=chr(0xf04e),
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=GLFW_KEY_RIGHT,
                                     label_font='fontawesome',
                                     label_offset_x=5,
                                     label_offset_y=0,
                                     label_offset_size=-24)
    g_pool.backward_button = ui.Thumb('backward',
                                      label=chr(0xf04a),
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=GLFW_KEY_LEFT,
                                      label_font='fontawesome',
                                      label_offset_x=-5,
                                      label_offset_y=0,
                                      label_offset_size=-24)
    g_pool.export_button = ui.Thumb('export',
                                    label=chr(0xf063),
                                    getter=lambda: False,
                                    setter=do_export,
                                    hotkey='e',
                                    label_font='fontawesome',
                                    label_offset_x=0,
                                    label_offset_y=2,
                                    label_offset_size=-24)
    g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    # we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}), ('Vis_Circle', {}), ('Video_Export_Launcher', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)


    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)
    glfwSetDropCallback(main_window, on_drop)

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    gl_utils.basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = None

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"
    g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]

    # trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    while not glfwWindowShouldClose(main_window):
        # grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame()
            except EndofVideoFileError:
                # end of video logic: pause at last frame.
                g_pool.play = False
                logger.warning("end of video")
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        events['frame'] = frame
        # report time between now and the last loop interation
        events['dt'] = get_dt()
        # new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            # update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts and ts != t:
                dt, ts = t-ts, t
                fps_graph.add(1./dt)
            else:
               ts = new_frame.timestamp

            g_pool.play_button.status_text = str(frame.index)
        # always update the CPU graph
        cpu_graph.update()

        # publish delayed notifiactions when their time has come.
        for n in list(g_pool.delayed_notifications.values()):
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.recent_events(events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        gl_utils.make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        gl_utils.make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        g_pool.gui.update()

        # present frames at appropriate speed
        cap.wait(frame)

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['min_data_confidence'] = g_pool.min_data_confidence
    session_settings['gui_scale'] = g_pool.gui_user_scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = str(g_pool.version)
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.cleanup()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
示例#15
0
def circle_detector(ipc_push_url, pair_url,
                    source_path, timestamps_path, batch_size=20):

    # ipc setup
    import zmq
    import zmq_tools
    zmq_ctx = zmq.Context()
    process_pipe = zmq_tools.Msg_Pair_Client(zmq_ctx, pair_url)

    # logging setup
    import logging
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    # imports
    import cv2
    import numpy as np
    from time import sleep
    from circle_detector import find_concetric_circles
    from video_capture import File_Source, EndofVideoFileError
    from methods import normalize

    try:
        src = File_Source(Empty(), source_path, np.load(timestamps_path), timed_playback=False)
        frame = src.get_frame()
        logger.info('Starting calibration marker detection...')
        frame_count = src.get_frame_count()

        queue = []

        while True:
            while process_pipe.new_data:
                topic, n = process_pipe.recv()
                if topic == 'terminate':
                    process_pipe.send(topic='exception', payload={"reason": "User terminated."})
                    logger.debug("Process terminated")
                    sleep(1.0)
                    return

            progress = 100.*frame.index/frame_count

            markers = find_concetric_circles(frame.gray, min_ring_count=3)
            if len(markers) > 0:
                detected = True
                marker_pos = markers[0][0][0]  # first marker innermost ellipse, pos
                pos = normalize(marker_pos, (frame.width, frame.height), flip_y=True)

            else:
                detected = False
                pos = None

            if detected:
                second_ellipse = markers[0][1]
                col_slice = int(second_ellipse[0][0]-second_ellipse[1][0]/2), int(second_ellipse[0][0]+second_ellipse[1][0]/2)
                row_slice = int(second_ellipse[0][1]-second_ellipse[1][1]/2), int(second_ellipse[0][1]+second_ellipse[1][1]/2)
                marker_gray = frame.gray[slice(*row_slice), slice(*col_slice)]
                avg = cv2.mean(marker_gray)[0]
                center = marker_gray[int(second_ellipse[1][1])//2, int(second_ellipse[1][0])//2]
                rel_shade = center-avg

                ref = {}
                ref["norm_pos"] = pos
                ref["screen_pos"] = marker_pos
                ref["timestamp"] = frame.timestamp
                ref['index'] = frame.index
                if rel_shade > 30:
                    ref['type'] = 'stop_marker'
                else:
                    ref['type'] = 'calibration_marker'

                queue.append((progress, ref))
            else:
                queue.append((progress, None))

            if len(queue) > batch_size:
                # dequeue batch
                data = queue[:batch_size]
                del queue[:batch_size]
                process_pipe.send(topic='progress', payload={'data': data})

            frame = src.get_frame()

    except EndofVideoFileError:
        process_pipe.send(topic='progress', payload={'data': queue})
        process_pipe.send(topic='finished', payload={})
        logger.debug("Process finished")

    except:
        import traceback
        process_pipe.send(topic='exception', payload={'reason': traceback.format_exc()})
        logger.debug("Process raised Exception")

    sleep(1.0)
示例#16
0
def export(should_terminate,
           frames_to_export,
           current_frame,
           rec_dir,
           user_dir,
           min_data_confidence,
           start_frame=None,
           end_frame=None,
           plugin_initializers=(),
           out_file_path=None):

    vis_plugins = sorted([
        Vis_Circle, Vis_Cross, Vis_Polyline, Vis_Light_Points, Vis_Watermark,
        Scan_Path
    ],
                         key=lambda x: x.__name__)
    analysis_plugins = sorted([
        Manual_Gaze_Correction, Eye_Video_Overlay,
        Pupil_Angle_3D_Fixation_Detector, Gaze_Position_2D_Fixation_Detector
    ],
                              key=lambda x: x.__name__)
    user_plugins = sorted(import_runtime_plugins(
        os.path.join(user_dir, 'plugins')),
                          key=lambda x: x.__name__)
    available_plugins = vis_plugins + analysis_plugins + user_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    index_by_name = dict(zip(name_by_index, range(len(name_by_index))))
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    logger = logging.getLogger(__name__ + ' with pid: ' + str(os.getpid()))

    update_recording_to_recent(rec_dir)

    video_path = [
        f for f in glob(os.path.join(rec_dir, "world.*"))
        if f[-3:] in ('mp4', 'mkv', 'avi')
    ][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)
    rec_version = read_rec_version(meta_info)

    g_pool = Global_Container()
    g_pool.app = 'exporter'
    g_pool.min_data_confidence = min_data_confidence
    timestamps = np.load(timestamps_path)
    cap = File_Source(g_pool, video_path, timestamps=timestamps)

    #Out file path verification, we do this before but if one uses a seperate tool, this will kick in.
    if out_file_path is None:
        out_file_path = os.path.join(rec_dir, "world_viz.mp4")
    else:
        file_name = os.path.basename(out_file_path)
        dir_name = os.path.dirname(out_file_path)
        if not dir_name:
            dir_name = rec_dir
        if not file_name:
            file_name = 'world_viz.mp4'
        out_file_path = os.path.expanduser(os.path.join(dir_name, file_name))

    if os.path.isfile(out_file_path):
        logger.warning("Video out file already exsists. I will overwrite!")
        os.remove(out_file_path)
    logger.debug("Saving Video to %s" % out_file_path)

    #Trim mark verification
    #make sure the trim marks (start frame, endframe) make sense: We define them like python list slices,thus we can test them like such.
    trimmed_timestamps = timestamps[start_frame:end_frame]
    if len(trimmed_timestamps) == 0:
        logger.warn(
            "Start and end frames are set such that no video will be exported."
        )
        return False

    if start_frame == None:
        start_frame = 0

    #these two vars are shared with the lauching process and give a job length and progress report.
    frames_to_export.value = len(trimmed_timestamps)
    current_frame.value = 0
    logger.debug(
        "Will export from frame %s to frame %s. This means I will export %s frames."
        % (start_frame, start_frame + frames_to_export.value,
           frames_to_export.value))

    #setup of writer
    writer = AV_Writer(out_file_path, fps=cap.frame_rate, use_timestamps=True)

    cap.seek_to_frame(start_frame)

    start_time = time()

    g_pool.capture = cap
    g_pool.rec_dir = rec_dir
    g_pool.user_dir = user_dir
    g_pool.rec_version = rec_version
    g_pool.timestamps = timestamps
    g_pool.delayed_notifications = {}
    g_pool.notifications = []

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list,
                                                     g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list,
                                                    g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps
                                 ]  #populated by the fixation detector plugin

    #add plugins
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, plugin_initializers)

    while frames_to_export.value > current_frame.value:

        if should_terminate.value:
            logger.warning("User aborted export. Exported %s frames to %s." %
                           (current_frame.value, out_file_path))

            #explicit release of VideoWriter
            writer.close()
            writer = None
            return False

        try:
            frame = cap.get_frame_nowait()
        except EndofVideoFileError:
            break

        events = {}
        #new positons and events
        events['gaze_positions'] = g_pool.gaze_positions_by_frame[frame.index]
        events['pupil_positions'] = g_pool.pupil_positions_by_frame[
            frame.index]

        # publish delayed notifiactions when their time has come.
        for n in g_pool.delayed_notifications.values():
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        writer.write_video_frame(frame)
        current_frame.value += 1

    writer.close()
    writer = None

    duration = time() - start_time
    effective_fps = float(current_frame.value) / duration

    logger.info(
        "Export done: Exported %s frames to %s. This took %s seconds. Exporter ran at %s frames per second"
        % (current_frame.value, out_file_path, duration, effective_fps))
    return True
示例#17
0
class Eye_Wrapper(object):
    def __init__(self, g_pool, eyeid, pos, hdpi_fac=1., hflip=False, vflip=False):
        super().__init__()
        self.g_pool = g_pool
        self.eyeid = eyeid
        self.pos = pos
        self.hflip = hflip
        self.vflip = vflip
        self.source = None
        self.eye_world_frame_map = None
        self.current_eye_frame = None
        self.drag_offset = None
        self.menu = None
        self.hdpi_fac = hdpi_fac

    def initliaze_video(self, rec_dir, world_timestamps):
        eye_loc = os.path.join(rec_dir, 'eye{}.*'.format(self.eyeid))
        try:
            self.source = File_Source(Empty(), source_path=glob(eye_loc)[0])
            self.current_eye_frame = self.source.get_frame()
        except (FileNotFoundError, IndexError, FileCaptureError):
            logger.warning('Video for eye{} was not found or could not be opened.'.format(self.eyeid))
        else:
            self.eye_world_frame_map = correlate_eye_world(self.source.timestamps, world_timestamps)
            if self.menu is not None:
                self.menu.read_only = False

    def add_eye_menu(self, parent):
        self.menu = ui.Growing_Menu('Eye {}'.format(self.eyeid))
        parent.append(self.menu)
        self.menu.append(ui.Switch('hflip', self, label='Horizontal flip'))
        self.menu.append(ui.Switch('vflip', self, label='Vertical flip'))
        self.menu.read_only = not self.initialized

    def remove_eye_menu(self, parent):
        parent.remove(self.menu)
        self.menu = None

    def deinitliaze_video(self):
        self.source = None
        self.eye_world_frame_map = None
        self.current_eye_frame = None
        if self.menu is not None:
            self.menu.read_only = True

    @property
    def initialized(self):
        return self.source is not None

    @property
    def config(self):
        return {'pos': self.pos, 'hflip': self.hflip, 'vflip': self.vflip}

    def visualize(self, frame, alpha, scale, show_ellipses, pupil_positions):
        if not self.initialized:
            return

        requested_eye_frame_idx = self.eye_world_frame_map[frame.index]
        # 1. do we need a new frame?
        if requested_eye_frame_idx != self.current_eye_frame.index:
            if requested_eye_frame_idx == self.source.get_frame_index() + 2:
                # if we just need to seek by one frame, its faster to just read one and and throw it away.
                self.source.get_frame()
            if requested_eye_frame_idx != self.source.get_frame_index() + 1:
                self.source.seek_to_frame(requested_eye_frame_idx)

            try:
                self.current_eye_frame = self.source.get_frame()
            except EndofVideoError:
                logger.info("Reached the end of the eye video for eye video {}.".format(self.eyeid))

        # 2. dragging image
        if self.drag_offset is not None:
            x, y = glfwGetCursorPos(glfwGetCurrentContext())
            pos = x * self.hdpi_fac, y * self.hdpi_fac
            pos = normalize(pos, self.g_pool.camera_render_size)
            # Position in img pixels
            pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))
            self.pos = int(pos[0] + self.drag_offset[0]), int(pos[1] + self.drag_offset[1])

        # 3. keep in image bounds, do this even when not dragging because the image video_sizes could change.
        video_size = round(self.current_eye_frame.width * scale), round(self.current_eye_frame.height * scale)

        # frame.img.shape[0] is height, frame.img.shape[1] is width of screen
        self.pos = (min(frame.img.shape[1] - video_size[0], max(self.pos[0], 0)),
                    min(frame.img.shape[0] - video_size[1], max(self.pos[1], 0)))


        # 4. vflipping images, converting to greyscale
        eyeimage = self.current_eye_frame.gray
        eyeimage = cv2.cvtColor(eyeimage, cv2.COLOR_GRAY2BGR)

        if show_ellipses:
            try:
                pp = next((pp for pp in pupil_positions if pp['id'] == self.eyeid and pp['timestamp'] == self.current_eye_frame.timestamp))
            except StopIteration:
                pass
            else:
                el = pp['ellipse']
                conf = int(pp.get('model_confidence', pp.get('confidence', 0.1)) * 255)
                el_points = getEllipsePts((el['center'], el["axes"], el['angle']))
                cv2.polylines(eyeimage, [np.asarray(el_points,dtype='i')], True, (0, 0, 255, conf), thickness=1)
                cv2.circle(eyeimage,(int(el['center'][0]),int(el['center'][1])), 5, (0, 0, 255, conf), thickness=-1)


        #flip and scale
        eyeimage = cv2.resize(eyeimage, (0, 0), fx=scale, fy=scale)
        if self.hflip:
            eyeimage = np.fliplr(eyeimage)
        if self.vflip:
            eyeimage = np.flipud(eyeimage)

        transparent_image_overlay(self.pos, eyeimage, frame.img, alpha)

    def on_click(self, pos, button, action, hdpi_fac, eye_scale):
        self.hdpi_fac = hdpi_fac
        if not self.initialized:
            return False  # click event has not been consumed

        video_size = round(self.current_eye_frame.width * eye_scale), round(self.current_eye_frame.height * eye_scale)

        if (self.pos[0] < pos[0] < self.pos[0] + video_size[0] and
                self.pos[1] < pos[1] < self.pos[1] + video_size[1]):
            self.drag_offset = self.pos[0] - pos[0], self.pos[1] - pos[1]
            return True
        else:
            self.drag_offset = None
            return False
示例#18
0
def player(rec_dir, ipc_pub_url, ipc_sub_url, ipc_push_url, user_dir,
           app_version, debug):
    # general imports
    from time import sleep
    import logging
    from glob import glob
    from time import time, strftime, localtime

    # networking
    import zmq
    import zmq_tools

    import numpy as np

    # zmq ipc setup
    zmq_ctx = zmq.Context()
    ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
                                        ipc_sub_url,
                                        topics=("notify", ))

    # log setup
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.NOTSET)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    try:
        from background_helper import IPC_Logging_Task_Proxy

        IPC_Logging_Task_Proxy.push_url = ipc_push_url

        from tasklib.background.patches import IPCLoggingPatch

        IPCLoggingPatch.ipc_push_url = ipc_push_url

        # imports
        from file_methods import Persistent_Dict, next_export_sub_dir

        # display
        import glfw

        # check versions for our own depedencies as they are fast-changing
        from pyglui import __version__ as pyglui_version

        from pyglui import ui, cygl
        from pyglui.cygl.utils import Named_Texture, RGBA
        import gl_utils

        # capture
        from video_capture import File_Source

        # helpers/utils
        from version_utils import VersionFormat
        from methods import normalize, denormalize, delta_t, get_system_info
        import player_methods as pm
        from pupil_recording import PupilRecording
        from csv_utils import write_key_value_file

        # Plug-ins
        from plugin import Plugin, Plugin_List, import_runtime_plugins
        from plugin_manager import Plugin_Manager
        from vis_circle import Vis_Circle
        from vis_cross import Vis_Cross
        from vis_polyline import Vis_Polyline
        from vis_light_points import Vis_Light_Points
        from vis_watermark import Vis_Watermark
        from vis_fixation import Vis_Fixation

        from seek_control import Seek_Control
        from surface_tracker import Surface_Tracker_Offline

        # from marker_auto_trim_marks import Marker_Auto_Trim_Marks
        from fixation_detector import Offline_Fixation_Detector
        from log_display import Log_Display
        from annotations import Annotation_Player
        from raw_data_exporter import Raw_Data_Exporter
        from log_history import Log_History
        from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
        from gaze_producer.gaze_from_recording import GazeFromRecording
        from gaze_producer.gaze_from_offline_calibration import (
            GazeFromOfflineCalibration, )
        from system_graphs import System_Graphs
        from system_timelines import System_Timelines
        from blink_detection import Offline_Blink_Detection
        from audio_playback import Audio_Playback
        from video_export.plugins.imotions_exporter import iMotions_Exporter
        from video_export.plugins.eye_video_exporter import Eye_Video_Exporter
        from video_export.plugins.world_video_exporter import World_Video_Exporter
        from head_pose_tracker.offline_head_pose_tracker import (
            Offline_Head_Pose_Tracker, )
        from video_capture import File_Source
        from video_overlay.plugins import Video_Overlay, Eye_Overlay

        from pupil_recording import (
            assert_valid_recording_type,
            InvalidRecordingException,
        )

        assert VersionFormat(pyglui_version) >= VersionFormat(
            "1.27"), "pyglui out of date, please upgrade to newest version"

        process_was_interrupted = False

        def interrupt_handler(sig, frame):
            import traceback

            trace = traceback.format_stack(f=frame)
            logger.debug(f"Caught signal {sig} in:\n" + "".join(trace))
            nonlocal process_was_interrupted
            process_was_interrupted = True

        signal.signal(signal.SIGINT, interrupt_handler)

        runtime_plugins = import_runtime_plugins(
            os.path.join(user_dir, "plugins"))
        system_plugins = [
            Log_Display,
            Seek_Control,
            Plugin_Manager,
            System_Graphs,
            System_Timelines,
            Audio_Playback,
        ]
        user_plugins = [
            Vis_Circle,
            Vis_Fixation,
            Vis_Polyline,
            Vis_Light_Points,
            Vis_Cross,
            Vis_Watermark,
            Eye_Overlay,
            Video_Overlay,
            Offline_Fixation_Detector,
            Offline_Blink_Detection,
            Surface_Tracker_Offline,
            Raw_Data_Exporter,
            Annotation_Player,
            Log_History,
            Pupil_From_Recording,
            Offline_Pupil_Detection,
            GazeFromRecording,
            GazeFromOfflineCalibration,
            World_Video_Exporter,
            iMotions_Exporter,
            Eye_Video_Exporter,
            Offline_Head_Pose_Tracker,
        ] + runtime_plugins

        plugins = system_plugins + user_plugins

        # Callback functions
        def on_resize(window, w, h):
            nonlocal window_size
            nonlocal hdpi_factor
            if w == 0 or h == 0:
                return
            hdpi_factor = glfw.getHDPIFactor(window)
            g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
            window_size = w, h
            g_pool.camera_render_size = w - int(
                icon_bar_width * g_pool.gui.scale), h
            g_pool.gui.update_window(*window_size)
            g_pool.gui.collect_menus()
            for p in g_pool.plugins:
                p.on_window_resize(window, *g_pool.camera_render_size)

        def on_window_key(window, key, scancode, action, mods):
            g_pool.gui.update_key(key, scancode, action, mods)

        def on_window_char(window, char):
            g_pool.gui.update_char(char)

        def on_window_mouse_button(window, button, action, mods):
            g_pool.gui.update_button(button, action, mods)

        def on_pos(window, x, y):
            x, y = x * hdpi_factor, y * hdpi_factor
            g_pool.gui.update_mouse(x, y)
            pos = x, y
            pos = normalize(pos, g_pool.camera_render_size)
            # Position in img pixels
            pos = denormalize(pos, g_pool.capture.frame_size)
            for p in g_pool.plugins:
                p.on_pos(pos)

        def on_scroll(window, x, y):
            g_pool.gui.update_scroll(x, y * scroll_factor)

        def on_drop(window, count, paths):
            paths = [paths[x].decode("utf-8") for x in range(count)]
            for path in paths:
                try:
                    assert_valid_recording_type(path)
                    _restart_with_recording(path)
                    return
                except InvalidRecordingException as err:
                    logger.debug(str(err))

            for plugin in g_pool.plugins:
                if plugin.on_drop(paths):
                    break

        def _restart_with_recording(rec_dir):
            logger.debug("Starting new session with '{}'".format(rec_dir))
            ipc_pub.notify({
                "subject": "player_drop_process.should_start",
                "rec_dir": rec_dir
            })
            glfw.glfwSetWindowShouldClose(g_pool.main_window, True)

        tick = delta_t()

        def get_dt():
            return next(tick)

        recording = PupilRecording(rec_dir)
        meta_info = recording.meta_info

        # log info about Pupil Platform and Platform in player.log
        logger.info("Application Version: {}".format(app_version))
        logger.info("System Info: {}".format(get_system_info()))
        logger.debug(f"Debug flag: {debug}")

        icon_bar_width = 50
        window_size = None
        hdpi_factor = 1.0

        # create container for globally scoped vars
        g_pool = SimpleNamespace()
        g_pool.app = "player"
        g_pool.zmq_ctx = zmq_ctx
        g_pool.ipc_pub = ipc_pub
        g_pool.ipc_pub_url = ipc_pub_url
        g_pool.ipc_sub_url = ipc_sub_url
        g_pool.ipc_push_url = ipc_push_url
        g_pool.plugin_by_name = {p.__name__: p for p in plugins}
        g_pool.camera_render_size = None

        video_path = recording.files().core().world().videos()[0].resolve()
        File_Source(
            g_pool,
            timing="external",
            source_path=video_path,
            buffered_decoding=True,
            fill_gaps=True,
        )

        # load session persistent settings
        session_settings = Persistent_Dict(
            os.path.join(user_dir, "user_settings_player"))
        if VersionFormat(session_settings.get("version",
                                              "0.0")) != app_version:
            logger.info(
                "Session setting are a different version of this app. I will not use those."
            )
            session_settings.clear()

        width, height = g_pool.capture.frame_size
        width += icon_bar_width
        width, height = session_settings.get("window_size", (width, height))

        window_pos = session_settings.get("window_position",
                                          window_position_default)
        window_name = f"Pupil Player: {meta_info.recording_name} - {rec_dir}"

        glfw.glfwInit()
        main_window = glfw.glfwCreateWindow(width, height, window_name, None,
                                            None)
        glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
        glfw.glfwMakeContextCurrent(main_window)
        cygl.utils.init()
        g_pool.main_window = main_window

        def set_scale(new_scale):
            g_pool.gui_user_scale = new_scale
            window_size = (
                g_pool.camera_render_size[0] +
                int(icon_bar_width * g_pool.gui_user_scale * hdpi_factor),
                glfw.glfwGetFramebufferSize(main_window)[1],
            )
            logger.warning(icon_bar_width * g_pool.gui_user_scale *
                           hdpi_factor)
            glfw.glfwSetWindowSize(main_window, *window_size)

        g_pool.version = app_version
        g_pool.timestamps = g_pool.capture.timestamps
        g_pool.get_timestamp = lambda: 0.0
        g_pool.user_dir = user_dir
        g_pool.rec_dir = rec_dir
        g_pool.meta_info = meta_info
        g_pool.min_data_confidence = session_settings.get(
            "min_data_confidence", MIN_DATA_CONFIDENCE_DEFAULT)
        g_pool.min_calibration_confidence = session_settings.get(
            "min_calibration_confidence", MIN_CALIBRATION_CONFIDENCE_DEFAULT)

        # populated by producers
        g_pool.pupil_positions = pm.PupilDataBisector()
        g_pool.gaze_positions = pm.Bisector()
        g_pool.fixations = pm.Affiliator()
        g_pool.eye_movements = pm.Affiliator()

        def set_data_confidence(new_confidence):
            g_pool.min_data_confidence = new_confidence
            notification = {"subject": "min_data_confidence_changed"}
            notification["_notify_time_"] = time() + 0.8
            g_pool.ipc_pub.notify(notification)

        def do_export(_):
            left_idx = g_pool.seek_control.trim_left
            right_idx = g_pool.seek_control.trim_right
            export_range = left_idx, right_idx + 1  # exclusive range.stop
            export_ts_window = pm.exact_window(g_pool.timestamps,
                                               (left_idx, right_idx))

            export_dir = os.path.join(g_pool.rec_dir, "exports")
            export_dir = next_export_sub_dir(export_dir)

            os.makedirs(export_dir)
            logger.info('Created export dir at "{}"'.format(export_dir))

            export_info = {
                "Player Software Version":
                str(g_pool.version),
                "Data Format Version":
                meta_info.min_player_version,
                "Export Date":
                strftime("%d.%m.%Y", localtime()),
                "Export Time":
                strftime("%H:%M:%S", localtime()),
                "Frame Index Range:":
                g_pool.seek_control.get_frame_index_trim_range_string(),
                "Relative Time Range":
                g_pool.seek_control.get_rel_time_trim_range_string(),
                "Absolute Time Range":
                g_pool.seek_control.get_abs_time_trim_range_string(),
            }
            with open(os.path.join(export_dir, "export_info.csv"), "w") as csv:
                write_key_value_file(csv, export_info)

            notification = {
                "subject": "should_export",
                "range": export_range,
                "ts_window": export_ts_window,
                "export_dir": export_dir,
            }
            g_pool.ipc_pub.notify(notification)

        def reset_restart():
            logger.warning("Resetting all settings and restarting Player.")
            glfw.glfwSetWindowShouldClose(main_window, True)
            ipc_pub.notify({"subject": "clear_settings_process.should_start"})
            ipc_pub.notify({
                "subject": "player_process.should_start",
                "rec_dir": rec_dir,
                "delay": 2.0,
            })

        def toggle_general_settings(collapsed):
            # this is the menu toggle logic.
            # Only one menu can be open.
            # If no menu is open the menubar should collapse.
            g_pool.menubar.collapsed = collapsed
            for m in g_pool.menubar.elements:
                m.collapsed = True
            general_settings.collapsed = collapsed

        g_pool.gui = ui.UI()
        g_pool.gui_user_scale = session_settings.get("gui_scale", 1.0)
        g_pool.menubar = ui.Scrolling_Menu("Settings",
                                           pos=(-500, 0),
                                           size=(-icon_bar_width, 0),
                                           header_pos="left")
        g_pool.iconbar = ui.Scrolling_Menu("Icons",
                                           pos=(-icon_bar_width, 0),
                                           size=(0, 0),
                                           header_pos="hidden")
        g_pool.timelines = ui.Container((0, 0), (0, 0), (0, 0))
        g_pool.timelines.horizontal_constraint = g_pool.menubar
        g_pool.user_timelines = ui.Timeline_Menu("User Timelines",
                                                 pos=(0.0, -150.0),
                                                 size=(0.0, 0.0),
                                                 header_pos="headline")
        g_pool.user_timelines.color = RGBA(a=0.0)
        g_pool.user_timelines.collapsed = True
        # add container that constaints itself to the seekbar height
        vert_constr = ui.Container((0, 0), (0, -50.0), (0, 0))
        vert_constr.append(g_pool.user_timelines)
        g_pool.timelines.append(vert_constr)

        def set_window_size():
            f_width, f_height = g_pool.capture.frame_size
            f_width += int(icon_bar_width * g_pool.gui.scale)
            glfw.glfwSetWindowSize(main_window, f_width, f_height)

        general_settings = ui.Growing_Menu("General", header_pos="headline")
        general_settings.append(ui.Button("Reset window size",
                                          set_window_size))
        general_settings.append(
            ui.Selector(
                "gui_user_scale",
                g_pool,
                setter=set_scale,
                selection=[0.8, 0.9, 1.0, 1.1, 1.2] +
                list(np.arange(1.5, 5.1, 0.5)),
                label="Interface Size",
            ))
        general_settings.append(
            ui.Info_Text(
                f"Minimum Player Version: {meta_info.min_player_version}"))
        general_settings.append(
            ui.Info_Text(f"Player Version: {g_pool.version}"))
        general_settings.append(
            ui.Info_Text(
                f"Recording Software: {meta_info.recording_software_name}"))
        general_settings.append(
            ui.Info_Text(
                f"Recording Software Version: {meta_info.recording_software_version}"
            ))

        general_settings.append(
            ui.Info_Text(
                "High level data, e.g. fixations, or visualizations only consider gaze data that has an equal or higher confidence than the minimum data confidence."
            ))
        general_settings.append(
            ui.Slider(
                "min_data_confidence",
                g_pool,
                setter=set_data_confidence,
                step=0.05,
                min=0.0,
                max=1.0,
                label="Minimum data confidence",
            ))

        general_settings.append(
            ui.Button("Restart with default settings", reset_restart))

        g_pool.menubar.append(general_settings)
        icon = ui.Icon(
            "collapsed",
            general_settings,
            label=chr(0xE8B8),
            on_val=False,
            off_val=True,
            setter=toggle_general_settings,
            label_font="pupil_icons",
        )
        icon.tooltip = "General Settings"
        g_pool.iconbar.append(icon)

        user_plugin_separator = ui.Separator()
        user_plugin_separator.order = 0.35
        g_pool.iconbar.append(user_plugin_separator)

        g_pool.quickbar = ui.Stretching_Menu("Quick Bar", (0, 100),
                                             (100, -100))
        g_pool.export_button = ui.Thumb(
            "export",
            label=chr(0xE2C5),
            getter=lambda: False,
            setter=do_export,
            hotkey="e",
            label_font="pupil_icons",
        )
        g_pool.quickbar.extend([g_pool.export_button])
        g_pool.gui.append(g_pool.menubar)
        g_pool.gui.append(g_pool.timelines)
        g_pool.gui.append(g_pool.iconbar)
        g_pool.gui.append(g_pool.quickbar)

        # we always load these plugins
        default_plugins = [
            ("Plugin_Manager", {}),
            ("Seek_Control", {}),
            ("Log_Display", {}),
            ("Raw_Data_Exporter", {}),
            ("Vis_Polyline", {}),
            ("Vis_Circle", {}),
            ("System_Graphs", {}),
            ("System_Timelines", {}),
            ("World_Video_Exporter", {}),
            ("Pupil_From_Recording", {}),
            ("GazeFromRecording", {}),
            ("Audio_Playback", {}),
        ]

        g_pool.plugins = Plugin_List(
            g_pool, session_settings.get("loaded_plugins", default_plugins))

        # Manually add g_pool.capture to the plugin list
        g_pool.plugins._plugins.append(g_pool.capture)
        g_pool.plugins._plugins.sort(key=lambda p: p.order)
        g_pool.capture.init_ui()

        general_settings.insert(
            -1,
            ui.Text_Input(
                "rel_time_trim_section",
                getter=g_pool.seek_control.get_rel_time_trim_range_string,
                setter=g_pool.seek_control.set_rel_time_trim_range_string,
                label="Relative time range to export",
            ),
        )
        general_settings.insert(
            -1,
            ui.Text_Input(
                "frame_idx_trim_section",
                getter=g_pool.seek_control.get_frame_index_trim_range_string,
                setter=g_pool.seek_control.set_frame_index_trim_range_string,
                label="Frame index range to export",
            ),
        )

        # Register callbacks main_window
        glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
        glfw.glfwSetKeyCallback(main_window, on_window_key)
        glfw.glfwSetCharCallback(main_window, on_window_char)
        glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
        glfw.glfwSetCursorPosCallback(main_window, on_pos)
        glfw.glfwSetScrollCallback(main_window, on_scroll)
        glfw.glfwSetDropCallback(main_window, on_drop)

        toggle_general_settings(True)

        g_pool.gui.configuration = session_settings.get("ui_config", {})

        # gl_state settings
        gl_utils.basic_gl_setup()
        g_pool.image_tex = Named_Texture()

        # trigger on_resize
        on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

        def handle_notifications(n):
            subject = n["subject"]
            if subject == "start_plugin":
                g_pool.plugins.add(g_pool.plugin_by_name[n["name"]],
                                   args=n.get("args", {}))
            elif subject.startswith("meta.should_doc"):
                ipc_pub.notify({
                    "subject": "meta.doc",
                    "actor": g_pool.app,
                    "doc": player.__doc__
                })
                for p in g_pool.plugins:
                    if (p.on_notify.__doc__
                            and p.__class__.on_notify != Plugin.on_notify):
                        ipc_pub.notify({
                            "subject": "meta.doc",
                            "actor": p.class_name,
                            "doc": p.on_notify.__doc__,
                        })

        while (not glfw.glfwWindowShouldClose(main_window)
               and not process_was_interrupted):

            # fetch newest notifications
            new_notifications = []
            while notify_sub.new_data:
                t, n = notify_sub.recv()
                new_notifications.append(n)

            # notify each plugin if there are new notifications:
            for n in new_notifications:
                handle_notifications(n)
                for p in g_pool.plugins:
                    p.on_notify(n)

            events = {}
            # report time between now and the last loop interation
            events["dt"] = get_dt()

            # pupil and gaze positions are added by their respective producer plugins
            events["pupil"] = []
            events["gaze"] = []

            # allow each Plugin to do its work.
            for p in g_pool.plugins:
                p.recent_events(events)

            # check if a plugin need to be destroyed
            g_pool.plugins.clean()

            glfw.glfwMakeContextCurrent(main_window)
            glfw.glfwPollEvents()
            # render visual feedback from loaded plugins
            if gl_utils.is_window_visible(main_window):

                gl_utils.glViewport(0, 0, *g_pool.camera_render_size)
                g_pool.capture.gl_display()
                for p in g_pool.plugins:
                    p.gl_display()

                gl_utils.glViewport(0, 0, *window_size)

                try:
                    clipboard = glfw.glfwGetClipboardString(
                        main_window).decode()
                except AttributeError:  # clipbaord is None, might happen on startup
                    clipboard = ""
                g_pool.gui.update_clipboard(clipboard)
                user_input = g_pool.gui.update()
                if user_input.clipboard and user_input.clipboard != clipboard:
                    # only write to clipboard if content changed
                    glfw.glfwSetClipboardString(main_window,
                                                user_input.clipboard.encode())

                for b in user_input.buttons:
                    button, action, mods = b
                    x, y = glfw.glfwGetCursorPos(main_window)
                    pos = x * hdpi_factor, y * hdpi_factor
                    pos = normalize(pos, g_pool.camera_render_size)
                    pos = denormalize(pos, g_pool.capture.frame_size)

                    for plugin in g_pool.plugins:
                        if plugin.on_click(pos, button, action):
                            break

                for key, scancode, action, mods in user_input.keys:
                    for plugin in g_pool.plugins:
                        if plugin.on_key(key, scancode, action, mods):
                            break

                for char_ in user_input.chars:
                    for plugin in g_pool.plugins:
                        if plugin.on_char(char_):
                            break

                # present frames at appropriate speed
                g_pool.seek_control.wait(events["frame"].timestamp)
                glfw.glfwSwapBuffers(main_window)

        session_settings["loaded_plugins"] = g_pool.plugins.get_initializers()
        session_settings["min_data_confidence"] = g_pool.min_data_confidence
        session_settings[
            "min_calibration_confidence"] = g_pool.min_calibration_confidence
        session_settings["gui_scale"] = g_pool.gui_user_scale
        session_settings["ui_config"] = g_pool.gui.configuration
        session_settings["window_position"] = glfw.glfwGetWindowPos(
            main_window)
        session_settings["version"] = str(g_pool.version)

        session_window_size = glfw.glfwGetWindowSize(main_window)
        if 0 not in session_window_size:
            session_settings["window_size"] = session_window_size

        session_settings.close()

        # de-init all running plugins
        for p in g_pool.plugins:
            p.alive = False
        g_pool.plugins.clean()

        g_pool.gui.terminate()
        glfw.glfwDestroyWindow(main_window)

    except Exception:
        import traceback

        trace = traceback.format_exc()
        logger.error("Process Player crashed with trace:\n{}".format(trace))
    finally:
        logger.info("Process shutting down.")
        ipc_pub.notify({"subject": "player_process.stopped"})
        sleep(1.0)
示例#19
0
文件: player.py 项目: neuroidss/pupil
def player(rec_dir, ipc_pub_url, ipc_sub_url,
           ipc_push_url, user_dir, app_version):
    # general imports
    import logging
    import errno
    from glob import glob
    from copy import deepcopy
    from time import time
    # networking
    import zmq
    import zmq_tools

    # zmq ipc setup
    zmq_ctx = zmq.Context()
    ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=('notify',))

    # log setup
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)



    # imports
    from file_methods import Persistent_Dict, load_object
    import numpy as np

    # display
    import glfw
    # check versions for our own depedencies as they are fast-changing
    from pyglui import __version__ as pyglui_version

    from pyglui import ui, graph, cygl
    from pyglui.cygl.utils import Named_Texture
    import gl_utils
    # capture
    from video_capture import File_Source, EndofVideoFileError, FileSeekError

    # helpers/utils
    from version_utils import VersionFormat
    from methods import normalize, denormalize, delta_t, get_system_info
    from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info

    # monitoring
    import psutil

    # Plug-ins
    from plugin import Plugin, Plugin_List, import_runtime_plugins, Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base
    from vis_circle import Vis_Circle
    from vis_cross import Vis_Cross
    from vis_polyline import Vis_Polyline
    from vis_light_points import Vis_Light_Points
    from vis_watermark import Vis_Watermark
    from vis_fixation import Vis_Fixation
    from vis_scan_path import Vis_Scan_Path
    from vis_eye_video_overlay import Vis_Eye_Video_Overlay
    from seek_bar import Seek_Bar
    from trim_marks import Trim_Marks
    from video_export_launcher import Video_Export_Launcher
    from offline_surface_tracker import Offline_Surface_Tracker
    from marker_auto_trim_marks import Marker_Auto_Trim_Marks
    from fixation_detector import Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector
    # from manual_gaze_correction import Manual_Gaze_Correction
    from batch_exporter import Batch_Exporter
    from log_display import Log_Display
    from annotations import Annotation_Player
    from raw_data_exporter import Raw_Data_Exporter
    from log_history import Log_History
    from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
    from gaze_producers import Gaze_From_Recording, Offline_Calibration

    assert pyglui_version >= '1.5'

    runtime_plugins = import_runtime_plugins(os.path.join(user_dir, 'plugins'))
    system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
    user_launchable_plugins = [Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross, Vis_Watermark,
                               Vis_Eye_Video_Overlay, Vis_Scan_Path, Gaze_Position_2D_Fixation_Detector,
                               Pupil_Angle_3D_Fixation_Detector, Video_Export_Launcher,
                               Offline_Surface_Tracker, Raw_Data_Exporter, Batch_Exporter, Annotation_Player,
                               Log_History, Marker_Auto_Trim_Marks, Pupil_From_Recording, Offline_Pupil_Detection,
                               Gaze_From_Recording, Offline_Calibration] + runtime_plugins

    available_plugins = system_plugins + user_launchable_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    # Callback functions
    def on_resize(window, w, h):
        if gl_utils.is_window_visible(window):
            hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
            g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
            g_pool.gui.update_window(w, h)
            g_pool.gui.collect_menus()
            for g in g_pool.graphs:
                g.scale = hdpi_factor
                g.adjust_window_size(w, h)
            gl_utils.adjust_gl_view(w, h)
            for p in g_pool.plugins:
                p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)

    def on_pos(window, x, y):
        hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y*scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x].decode('utf-8')
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '{}'".format(new_rec_dir))
                ipc_pub.notify({"subject": "player_drop_process.should_start", "rec_dir": new_rec_dir})
                glfw.glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))

    tick = delta_t()

    def get_dt():
        return next(tick)

    video_path = [f for f in glob(os.path.join(rec_dir, "world.*"))
                  if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264', '.mjpeg')][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)

    # log info about Pupil Platform and Platform in player.log
    logger.info('Application Version: {}'.format(app_version))
    logger.info('System Info: {}'.format(get_system_info()))

    timestamps = np.load(timestamps_path)

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.zmq_ctx = zmq_ctx
    g_pool.ipc_pub = ipc_pub
    g_pool.ipc_pub_url = ipc_pub_url
    g_pool.ipc_sub_url = ipc_sub_url
    g_pool.ipc_push_url = ipc_push_url

    # Initialize capture
    cap = File_Source(g_pool, video_path, timestamps=list(timestamps))

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if VersionFormat(session_settings.get("version", '0.0')) != app_version:
        logger.info("Session setting are a different version of this app. I will not use those.")
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', window_position_default)
    glfw.glfwInit()
    main_window = glfw.glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
                                   + rec_dir.split(os.path.sep)[-1], None, None)
    glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    def set_scale(new_scale):
        g_pool.gui_user_scale = new_scale
        on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    # load pupil_positions, gaze_positions
    g_pool.pupil_data = load_object(pupil_data_path)
    g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
    g_pool.version = app_version
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.get_timestamp = lambda: 0.
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.meta_info = meta_info
    g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)

    g_pool.pupil_positions = []
    g_pool.gaze_positions = []
    g_pool.fixations = []

    g_pool.notifications_by_frame = correlate_data(g_pool.pupil_data['notifications'], g_pool.timestamps)
    g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer`
    g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() + 1)
        except(FileSeekError):
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() - 1)
        except(FileSeekError):
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def toggle_play(new_state):
        if cap.get_frame_index() >= cap.get_frame_count()-5:
            cap.seek_to_frame(1)  # avoid pause set by hitting trimmark pause.
            logger.warning("End of video - restart at beginning.")
        g_pool.play = new_state

    def set_data_confidence(new_confidence):
        g_pool.min_data_confidence = new_confidence
        notification = {'subject': 'min_data_confidence_changed'}
        notification['_notify_time_'] = time()+.8
        g_pool.ipc_pub.notify(notification)

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark
        export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(*export_range))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
                logger.warning(overwrite_warning.format(*export_range))
        else:
            logger.info('Created export dir at "{}"'.format(export_dir))

        notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
        g_pool.ipc_pub.notify(notification)

    g_pool.gui = ui.UI()
    g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
    g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 560))
    g_pool.main_menu.append(ui.Button('Reset window size',
                                      lambda: glfw.glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
    g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
    g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
    g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
                                      step=.05, min=0.0, max=1.0, label='Confidence threshold'))

    g_pool.main_menu.append(ui.Info_Text('Open plugins'))

    selector_label = "Select to load"

    def append_selector(label, plugins):
        plugins.sort(key=lambda p: p.__name__)
        plugin_labels = [p.__name__.replace('_', ' ') for p in plugins]
        g_pool.main_menu.append(ui.Selector(label,
                                            selection=[selector_label] + plugins,
                                            labels=[selector_label] + plugin_labels,
                                            setter=open_plugin,
                                            getter=lambda: selector_label))

    base_plugins = [Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base]
    base_labels = ['Visualizer:', 'Analyser:', 'Data Source:']
    launchable = user_launchable_plugins.copy()
    for base_class, label in zip(base_plugins, base_labels):
        member_plugins = []
        for p in user_launchable_plugins:
            if issubclass(p, base_class):
                member_plugins.append(p)
                launchable.remove(p)
        append_selector(label, member_plugins)

    # launchable only contains plugins that could not be assigned to any of the above categories
    append_selector('Other', launchable)

    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label=chr(0xf04b),
                                  setter=toggle_play,
                                  hotkey=glfw.GLFW_KEY_SPACE,
                                  label_font='fontawesome',
                                  label_offset_x=5,
                                  label_offset_y=0,
                                  label_offset_size=-24)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     label=chr(0xf04e),
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=glfw.GLFW_KEY_RIGHT,
                                     label_font='fontawesome',
                                     label_offset_x=5,
                                     label_offset_y=0,
                                     label_offset_size=-24)
    g_pool.backward_button = ui.Thumb('backward',
                                      label=chr(0xf04a),
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=glfw.GLFW_KEY_LEFT,
                                      label_font='fontawesome',
                                      label_offset_x=-5,
                                      label_offset_y=0,
                                      label_offset_size=-24)
    g_pool.export_button = ui.Thumb('export',
                                    label=chr(0xf063),
                                    getter=lambda: False,
                                    setter=do_export,
                                    hotkey='e',
                                    label_font='fontawesome',
                                    label_offset_x=0,
                                    label_offset_y=2,
                                    label_offset_size=-24)
    g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    # we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}),
                       ('Vis_Circle', {}), ('Video_Export_Launcher', {}),
                       ('Pupil_From_Recording', {}), ('Gaze_From_Recording', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)


    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfw.glfwSetKeyCallback(main_window, on_key)
    glfw.glfwSetCharCallback(main_window, on_char)
    glfw.glfwSetMouseButtonCallback(main_window, on_button)
    glfw.glfwSetCursorPosCallback(main_window, on_pos)
    glfw.glfwSetScrollCallback(main_window, on_scroll)
    glfw.glfwSetDropCallback(main_window, on_drop)

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    gl_utils.basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = None

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"
    g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]

    # trigger on_resize
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    def handle_notifications(n):
        subject = n['subject']
        if subject == 'start_plugin':
            g_pool.plugins.add(
                plugin_by_name[n['name']], args=n.get('args', {}))
        elif subject.startswith('meta.should_doc'):
            ipc_pub.notify({'subject': 'meta.doc',
                            'actor': g_pool.app,
                            'doc': player.__doc__})
            for p in g_pool.plugins:
                if (p.on_notify.__doc__
                        and p.__class__.on_notify != Plugin.on_notify):
                    ipc_pub.notify({'subject': 'meta.doc',
                                    'actor': p.class_name,
                                    'doc': p.on_notify.__doc__})

    while not glfw.glfwWindowShouldClose(main_window):

        # fetch newest notifications
        new_notifications = []
        while notify_sub.new_data:
            t, n = notify_sub.recv()
            new_notifications.append(n)

        # notify each plugin if there are new notifications:
        for n in new_notifications:
            handle_notifications(n)
            for p in g_pool.plugins:
                p.on_notify(n)

        # grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame()
            except EndofVideoFileError:
                # end of video logic: pause at last frame.
                g_pool.play = False
                logger.warning("end of video")
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        events['frame'] = frame
        # report time between now and the last loop interation
        events['dt'] = get_dt()
        # new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            # update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts and ts != t:
                dt, ts = t-ts, t
                fps_graph.add(1./dt)
            else:
                ts = new_frame.timestamp

            g_pool.play_button.status_text = str(frame.index)
        # always update the CPU graph
        cpu_graph.update()

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.recent_events(events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        gl_utils.make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        gl_utils.make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        unused_buttons = g_pool.gui.update()
        for b in unused_buttons:
            button,action,mods = b
            pos = glfw.glfwGetCursorPos(main_window)
            pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
            pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
            for p in g_pool.plugins:
                p.on_click(pos, button, action)

        # present frames at appropriate speed
        cap.wait(frame)

        glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['min_data_confidence'] = g_pool.min_data_confidence
    session_settings['gui_scale'] = g_pool.gui_user_scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
    session_settings['version'] = str(g_pool.version)
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.cleanup()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)

    logger.info("Process shutting down.")
    ipc_pub.notify({'subject': 'player_process.stopped'})
示例#20
0
def export_processed_h264(
    world_timestamps,
    unprocessed_video_loc,
    target_video_loc,
    export_range,
    process_frame,
    export_timestamps,
):
    yield "Converting video", 0.1
    capture = File_Source(Empty(), unprocessed_video_loc)
    if not capture.initialised:
        yield "Converting scene video failed", 0.0
        return

    export_window = pm.exact_window(world_timestamps, export_range)
    (export_from_index,
     export_to_index) = pm.find_closest(capture.timestamps, export_window)

    update_rate = 10
    start_time = None
    time_base = Fraction(1, 65535)

    target_container = av.open(target_video_loc, "w")
    video_stream = target_container.add_stream("mpeg4", 1 / time_base)
    video_stream.bit_rate = 150e6
    video_stream.bit_rate_tolerance = video_stream.bit_rate / 20
    video_stream.thread_count = max(1, mp.cpu_count() - 1)
    video_stream.width, video_stream.height = capture.frame_size

    av_frame = av.VideoFrame(*capture.frame_size, "bgr24")
    av_frame.time_base = time_base

    capture.seek_to_frame(export_from_index)
    next_update_idx = export_from_index + update_rate
    timestamps = []
    while True:
        try:
            frame = capture.get_frame()
        except EndofVideoError:
            break

        if frame.index > export_to_index:
            break

        if start_time is None:
            start_time = frame.timestamp

        undistorted_img = process_frame(capture, frame)
        av_frame.planes[0].update(undistorted_img)
        av_frame.pts = int((frame.timestamp - start_time) / time_base)

        if export_timestamps:
            timestamps.append(frame.timestamp)

        packet = video_stream.encode(av_frame)
        if packet:
            target_container.mux(packet)

        if capture.current_frame_idx >= next_update_idx:
            progress = ((capture.current_frame_idx - export_from_index) /
                        (export_to_index - export_from_index)) * 0.9 + 0.1
            yield "Converting video", progress * 100.0
            next_update_idx += update_rate

    while True:  # flush encoder
        packet = video_stream.encode()
        if packet:
            target_container.mux(packet)
        else:
            break

    if export_timestamps:
        write_timestamps(target_video_loc, timestamps)

    target_container.close()
    capture.cleanup()
    yield "Converting video completed", 1.0 * 100.0
示例#21
0
文件: player.py 项目: sleip87/pupil
def player(rec_dir, ipc_pub_url, ipc_sub_url,
           ipc_push_url, user_dir, app_version):
    # general imports
    import logging
    import errno
    from glob import glob
    from copy import deepcopy
    from time import time
    # networking
    import zmq
    import zmq_tools

    # zmq ipc setup
    zmq_ctx = zmq.Context()
    ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx, ipc_sub_url, topics=('notify',))

    # log setup
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)



    # imports
    from file_methods import Persistent_Dict, load_object

    # display
    import glfw
    # check versions for our own depedencies as they are fast-changing
    from pyglui import __version__ as pyglui_version

    from pyglui import ui, graph, cygl
    from pyglui.cygl.utils import Named_Texture
    import gl_utils
    # capture
    from video_capture import File_Source, EndofVideoFileError, FileSeekError

    # helpers/utils
    from version_utils import VersionFormat
    from methods import normalize, denormalize, delta_t, get_system_info
    from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info

    # monitoring
    import psutil

    # Plug-ins
    from plugin import Plugin, Plugin_List, import_runtime_plugins, Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base
    from vis_circle import Vis_Circle
    from vis_cross import Vis_Cross
    from vis_polyline import Vis_Polyline
    from vis_light_points import Vis_Light_Points
    from vis_watermark import Vis_Watermark
    from vis_fixation import Vis_Fixation
    from vis_scan_path import Vis_Scan_Path
    from vis_eye_video_overlay import Vis_Eye_Video_Overlay
    from seek_bar import Seek_Bar
    from trim_marks import Trim_Marks
    from video_export_launcher import Video_Export_Launcher
    from offline_surface_tracker import Offline_Surface_Tracker
    from marker_auto_trim_marks import Marker_Auto_Trim_Marks
    from fixation_detector import Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector
    # from manual_gaze_correction import Manual_Gaze_Correction
    from batch_exporter import Batch_Exporter
    from log_display import Log_Display
    from annotations import Annotation_Player
    from raw_data_exporter import Raw_Data_Exporter
    from log_history import Log_History
    from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
    from gaze_producers import Gaze_From_Recording, Offline_Calibration

    assert pyglui_version >= '1.7'

    runtime_plugins = import_runtime_plugins(os.path.join(user_dir, 'plugins'))
    system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
    user_launchable_plugins = [Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross, Vis_Watermark,
                               Vis_Eye_Video_Overlay, Vis_Scan_Path, Gaze_Position_2D_Fixation_Detector,
                               Pupil_Angle_3D_Fixation_Detector, Video_Export_Launcher,
                               Offline_Surface_Tracker, Raw_Data_Exporter, Batch_Exporter, Annotation_Player,
                               Log_History, Marker_Auto_Trim_Marks, Pupil_From_Recording, Offline_Pupil_Detection,
                               Gaze_From_Recording, Offline_Calibration] + runtime_plugins

    available_plugins = system_plugins + user_launchable_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    # Callback functions
    def on_resize(window, w, h):
        if gl_utils.is_window_visible(window):
            hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0] / glfw.glfwGetWindowSize(window)[0])
            g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
            g_pool.gui.update_window(w, h)
            g_pool.gui.collect_menus()
            for g in g_pool.graphs:
                g.scale = hdpi_factor
                g.adjust_window_size(w, h)
            gl_utils.adjust_gl_view(w, h)
            for p in g_pool.plugins:
                p.on_window_resize(window, w, h)

    def on_window_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_window_char(window, char):
        g_pool.gui.update_char(char)

    def on_window_mouse_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)

    def on_pos(window, x, y):
        hdpi_factor = float(glfw.glfwGetFramebufferSize(window)[0]/glfw.glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y*scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x].decode('utf-8')
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '{}'".format(new_rec_dir))
                ipc_pub.notify({"subject": "player_drop_process.should_start", "rec_dir": new_rec_dir})
                glfw.glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))

    tick = delta_t()

    def get_dt():
        return next(tick)

    video_path = [f for f in glob(os.path.join(rec_dir, "world.*"))
                  if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264', '.mjpeg')][0]
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)

    # log info about Pupil Platform and Platform in player.log
    logger.info('Application Version: {}'.format(app_version))
    logger.info('System Info: {}'.format(get_system_info()))

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'
    g_pool.zmq_ctx = zmq_ctx
    g_pool.ipc_pub = ipc_pub
    g_pool.ipc_pub_url = ipc_pub_url
    g_pool.ipc_sub_url = ipc_sub_url
    g_pool.ipc_push_url = ipc_push_url

    # Initialize capture
    cap = File_Source(g_pool, video_path)

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if VersionFormat(session_settings.get("version", '0.0')) != app_version:
        logger.info("Session setting are a different version of this app. I will not use those.")
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', window_position_default)
    glfw.glfwInit()
    main_window = glfw.glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
                                   + rec_dir.split(os.path.sep)[-1], None, None)
    glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfw.glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    def set_scale(new_scale):
        g_pool.gui_user_scale = new_scale
        on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    # load pupil_positions, gaze_positions
    g_pool.pupil_data = load_object(pupil_data_path)
    g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
    g_pool.version = app_version
    g_pool.capture = cap
    g_pool.timestamps = g_pool.capture.timestamps
    g_pool.get_timestamp = lambda: 0.
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.meta_info = meta_info
    g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)

    g_pool.pupil_positions = []
    g_pool.gaze_positions = []
    g_pool.fixations = []

    g_pool.notifications_by_frame = correlate_data(g_pool.pupil_data['notifications'], g_pool.timestamps)
    g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer`
    g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps] # populated by producer
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() + 1)
        except(FileSeekError):
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index() - 1)
        except(FileSeekError):
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def toggle_play(new_state):
        if cap.get_frame_index() >= cap.get_frame_count()-5:
            cap.seek_to_frame(1)  # avoid pause set by hitting trimmark pause.
            logger.warning("End of video - restart at beginning.")
        g_pool.play = new_state

    def set_data_confidence(new_confidence):
        g_pool.min_data_confidence = new_confidence
        notification = {'subject': 'min_data_confidence_changed'}
        notification['_notify_time_'] = time()+.8
        g_pool.ipc_pub.notify(notification)

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark
        export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(*export_range))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
                logger.warning(overwrite_warning.format(*export_range))
        else:
            logger.info('Created export dir at "{}"'.format(export_dir))

        notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
        g_pool.ipc_pub.notify(notification)

    g_pool.gui = ui.UI()
    g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
    g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 560))
    g_pool.main_menu.append(ui.Button('Reset window size',
                                      lambda: glfw.glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.main_menu.append(ui.Selector('gui_user_scale', g_pool, setter=set_scale, selection=[.8, .9, 1., 1.1, 1.2], label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
    g_pool.main_menu.append(ui.Info_Text('Capture Version: {}'.format(meta_info['Capture Software Version'])))
    g_pool.main_menu.append(ui.Info_Text('Data Format Version: {}'.format(meta_info['Data Format Version'])))
    g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
                                      step=.05, min=0.0, max=1.0, label='Confidence threshold'))

    g_pool.main_menu.append(ui.Info_Text('Open plugins'))

    selector_label = "Select to load"

    def append_selector(label, plugins):
        plugins.sort(key=lambda p: p.__name__)
        plugin_labels = [p.__name__.replace('_', ' ') for p in plugins]
        g_pool.main_menu.append(ui.Selector(label,
                                            selection=[selector_label] + plugins,
                                            labels=[selector_label] + plugin_labels,
                                            setter=open_plugin,
                                            getter=lambda: selector_label))

    base_plugins = [Visualizer_Plugin_Base, Analysis_Plugin_Base, Producer_Plugin_Base]
    base_labels = ['Visualizer:', 'Analyser:', 'Data Source:']
    launchable = user_launchable_plugins.copy()
    for base_class, label in zip(base_plugins, base_labels):
        member_plugins = []
        for p in user_launchable_plugins:
            if issubclass(p, base_class):
                member_plugins.append(p)
                launchable.remove(p)
        append_selector(label, member_plugins)

    # launchable only contains plugins that could not be assigned to any of the above categories
    append_selector('Other', launchable)

    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label=chr(0xf04b),
                                  setter=toggle_play,
                                  hotkey=glfw.GLFW_KEY_SPACE,
                                  label_font='fontawesome',
                                  label_offset_x=5,
                                  label_offset_y=0,
                                  label_offset_size=-24)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     label=chr(0xf04e),
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=glfw.GLFW_KEY_RIGHT,
                                     label_font='fontawesome',
                                     label_offset_x=5,
                                     label_offset_y=0,
                                     label_offset_size=-24)
    g_pool.backward_button = ui.Thumb('backward',
                                      label=chr(0xf04a),
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=glfw.GLFW_KEY_LEFT,
                                      label_font='fontawesome',
                                      label_offset_x=-5,
                                      label_offset_y=0,
                                      label_offset_size=-24)
    g_pool.export_button = ui.Thumb('export',
                                    label=chr(0xf063),
                                    getter=lambda: False,
                                    setter=do_export,
                                    hotkey='e',
                                    label_font='fontawesome',
                                    label_offset_x=0,
                                    label_offset_y=2,
                                    label_offset_size=-24)
    g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    # we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}),
                       ('Vis_Circle', {}), ('Video_Export_Launcher', {}),
                       ('Pupil_From_Recording', {}), ('Gaze_From_Recording', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)


    # Register callbacks main_window
    glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfw.glfwSetKeyCallback(main_window, on_window_key)
    glfw.glfwSetCharCallback(main_window, on_window_char)
    glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
    glfw.glfwSetCursorPosCallback(main_window, on_pos)
    glfw.glfwSetScrollCallback(main_window, on_scroll)
    glfw.glfwSetDropCallback(main_window, on_drop)

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    gl_utils.basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = None

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"
    g_pool.graphs = [cpu_graph, fps_graph, pupil_graph]

    # trigger on_resize
    on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

    def handle_notifications(n):
        subject = n['subject']
        if subject == 'start_plugin':
            g_pool.plugins.add(
                plugin_by_name[n['name']], args=n.get('args', {}))
        elif subject.startswith('meta.should_doc'):
            ipc_pub.notify({'subject': 'meta.doc',
                            'actor': g_pool.app,
                            'doc': player.__doc__})
            for p in g_pool.plugins:
                if (p.on_notify.__doc__
                        and p.__class__.on_notify != Plugin.on_notify):
                    ipc_pub.notify({'subject': 'meta.doc',
                                    'actor': p.class_name,
                                    'doc': p.on_notify.__doc__})

    while not glfw.glfwWindowShouldClose(main_window):

        # fetch newest notifications
        new_notifications = []
        while notify_sub.new_data:
            t, n = notify_sub.recv()
            new_notifications.append(n)

        # notify each plugin if there are new notifications:
        for n in new_notifications:
            handle_notifications(n)
            for p in g_pool.plugins:
                p.on_notify(n)

        # grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame()
            except EndofVideoFileError:
                # end of video logic: pause at last frame.
                g_pool.play = False
                logger.warning("end of video")
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        events['frame'] = frame
        # report time between now and the last loop interation
        events['dt'] = get_dt()
        # new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            # update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts and ts != t:
                dt, ts = t-ts, t
                fps_graph.add(1./dt)
            else:
                ts = new_frame.timestamp

            g_pool.play_button.status_text = str(frame.index)
        # always update the CPU graph
        cpu_graph.update()

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.recent_events(events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfw.glfwMakeContextCurrent(main_window)
        gl_utils.make_coord_system_norm_based()
        g_pool.image_tex.update_from_ndarray(frame.bgr)
        g_pool.image_tex.draw()
        gl_utils.make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        unused_elements = g_pool.gui.update()
        for b in unused_elements.buttons:
            button, action, mods = b
            pos = glfw.glfwGetCursorPos(main_window)
            pos = normalize(pos, glfw.glfwGetWindowSize(main_window))
            pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
            for p in g_pool.plugins:
                p.on_click(pos, button, action)

        for key, scancode, action, mods in unused_elements.keys:
            for p in g_pool.plugins:
                p.on_key(key, scancode, action, mods)

        for char_ in unused_elements.chars:
            for p in g_pool.plugins:
                p.on_char(char_)

        # present frames at appropriate speed
        cap.wait(frame)

        glfw.glfwSwapBuffers(main_window)
        glfw.glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['min_data_confidence'] = g_pool.min_data_confidence
    session_settings['gui_scale'] = g_pool.gui_user_scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfw.glfwGetWindowPos(main_window)
    session_settings['version'] = str(g_pool.version)
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.cleanup()
    g_pool.gui.terminate()
    glfw.glfwDestroyWindow(main_window)

    logger.info("Process shutting down.")
    ipc_pub.notify({'subject': 'player_process.stopped'})
示例#22
0
def circle_detector(ipc_push_url, pair_url, source_path, batch_size=20):

    # ipc setup
    import zmq
    import zmq_tools
    zmq_ctx = zmq.Context()
    process_pipe = zmq_tools.Msg_Pair_Client(zmq_ctx, pair_url)

    # logging setup
    import logging
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    # imports
    import cv2
    from time import sleep
    from circle_detector import find_concetric_circles
    from video_capture import File_Source, EndofVideoFileError
    from methods import normalize

    try:
        src = File_Source(Empty(), source_path, timed_playback=False)
        frame = src.get_frame()
        logger.info('Starting calibration marker detection...')
        frame_count = src.get_frame_count()

        queue = []

        while True:
            while process_pipe.new_data:
                topic, n = process_pipe.recv()
                if topic == 'terminate':
                    process_pipe.send(topic='exception',
                                      payload={"reason": "User terminated."})
                    logger.debug("Process terminated")
                    sleep(1.0)
                    return

            progress = 100. * frame.index / frame_count

            markers = find_concetric_circles(frame.gray, min_ring_count=3)
            if len(markers) > 0:
                detected = True
                marker_pos = markers[0][0][
                    0]  # first marker innermost ellipse, pos
                pos = normalize(marker_pos, (frame.width, frame.height),
                                flip_y=True)

            else:
                detected = False
                pos = None

            if detected:
                second_ellipse = markers[0][1]
                col_slice = int(second_ellipse[0][0] - second_ellipse[1][0] /
                                2), int(second_ellipse[0][0] +
                                        second_ellipse[1][0] / 2)
                row_slice = int(second_ellipse[0][1] - second_ellipse[1][1] /
                                2), int(second_ellipse[0][1] +
                                        second_ellipse[1][1] / 2)
                marker_gray = frame.gray[slice(*row_slice), slice(*col_slice)]
                avg = cv2.mean(marker_gray)[0]
                center = marker_gray[int(second_ellipse[1][1]) // 2,
                                     int(second_ellipse[1][0]) // 2]
                rel_shade = center - avg

                ref = {}
                ref["norm_pos"] = pos
                ref["screen_pos"] = marker_pos
                ref["timestamp"] = frame.timestamp
                ref['index'] = frame.index
                if rel_shade > 30:
                    ref['type'] = 'stop_marker'
                else:
                    ref['type'] = 'calibration_marker'

                queue.append((progress, ref))
            else:
                queue.append((progress, None))

            if len(queue) > batch_size:
                # dequeue batch
                data = queue[:batch_size]
                del queue[:batch_size]
                process_pipe.send(topic='progress', payload={'data': data})

            frame = src.get_frame()

    except EndofVideoFileError:
        process_pipe.send(topic='progress', payload={'data': queue})
        process_pipe.send(topic='finished', payload={})
        logger.debug("Process finished")

    except:
        import traceback
        process_pipe.send(topic='exception',
                          payload={'reason': traceback.format_exc()})
        logger.debug("Process raised Exception")

    sleep(1.0)
示例#23
0
def player(rec_dir, ipc_pub_url, ipc_sub_url, ipc_push_url, user_dir,
           app_version):
    # general imports
    from time import sleep
    import logging
    import errno
    from glob import glob
    from time import time
    # networking
    import zmq
    import zmq_tools

    import numpy as np

    # zmq ipc setup
    zmq_ctx = zmq.Context()
    ipc_pub = zmq_tools.Msg_Dispatcher(zmq_ctx, ipc_push_url)
    notify_sub = zmq_tools.Msg_Receiver(zmq_ctx,
                                        ipc_sub_url,
                                        topics=('notify', ))

    # log setup
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    try:

        # imports
        from file_methods import Persistent_Dict, load_object

        # display
        import glfw
        # check versions for our own depedencies as they are fast-changing
        from pyglui import __version__ as pyglui_version

        from pyglui import ui, cygl
        from pyglui.cygl.utils import Named_Texture, RGBA
        import gl_utils
        # capture
        from video_capture import File_Source, EndofVideoFileError

        # helpers/utils
        from version_utils import VersionFormat
        from methods import normalize, denormalize, delta_t, get_system_info
        from player_methods import correlate_data, is_pupil_rec_dir, load_meta_info

        # Plug-ins
        from plugin import Plugin, Plugin_List, import_runtime_plugins
        from plugin_manager import Plugin_Manager
        from vis_circle import Vis_Circle
        from vis_cross import Vis_Cross
        from vis_polyline import Vis_Polyline
        from vis_light_points import Vis_Light_Points
        from vis_watermark import Vis_Watermark
        from vis_fixation import Vis_Fixation
        from vis_scan_path import Vis_Scan_Path
        from vis_eye_video_overlay import Vis_Eye_Video_Overlay
        from seek_control import Seek_Control
        from video_export_launcher import Video_Export_Launcher
        from offline_surface_tracker import Offline_Surface_Tracker
        # from marker_auto_trim_marks import Marker_Auto_Trim_Marks
        from fixation_detector import Offline_Fixation_Detector
        from batch_exporter import Batch_Exporter, Batch_Export
        from log_display import Log_Display
        from annotations import Annotation_Player
        from raw_data_exporter import Raw_Data_Exporter
        from log_history import Log_History
        from pupil_producers import Pupil_From_Recording, Offline_Pupil_Detection
        from gaze_producers import Gaze_From_Recording, Offline_Calibration
        from system_graphs import System_Graphs
        from system_timelines import System_Timelines
        from blink_detection import Offline_Blink_Detection

        assert VersionFormat(pyglui_version) >= VersionFormat(
            '1.17'), 'pyglui out of date, please upgrade to newest version'

        runtime_plugins = import_runtime_plugins(
            os.path.join(user_dir, 'plugins'))
        system_plugins = [
            Log_Display, Seek_Control, Plugin_Manager, System_Graphs,
            Batch_Export, System_Timelines
        ]
        user_plugins = [
            Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points,
            Vis_Cross, Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path,
            Offline_Fixation_Detector, Offline_Blink_Detection, Batch_Exporter,
            Video_Export_Launcher, Offline_Surface_Tracker, Raw_Data_Exporter,
            Annotation_Player, Log_History, Pupil_From_Recording,
            Offline_Pupil_Detection, Gaze_From_Recording, Offline_Calibration
        ] + runtime_plugins

        plugins = system_plugins + user_plugins

        # Callback functions
        def on_resize(window, w, h):
            nonlocal window_size
            nonlocal hdpi_factor

            hdpi_factor = float(
                glfw.glfwGetFramebufferSize(window)[0] /
                glfw.glfwGetWindowSize(window)[0])
            g_pool.gui.scale = g_pool.gui_user_scale * hdpi_factor
            window_size = w, h
            g_pool.camera_render_size = w - int(
                icon_bar_width * g_pool.gui.scale), h
            g_pool.gui.update_window(*window_size)
            g_pool.gui.collect_menus()
            for p in g_pool.plugins:
                p.on_window_resize(window, *g_pool.camera_render_size)

        def on_window_key(window, key, scancode, action, mods):
            g_pool.gui.update_key(key, scancode, action, mods)

        def on_window_char(window, char):
            g_pool.gui.update_char(char)

        def on_window_mouse_button(window, button, action, mods):
            g_pool.gui.update_button(button, action, mods)

        def on_pos(window, x, y):
            x, y = x * hdpi_factor, y * hdpi_factor
            g_pool.gui.update_mouse(x, y)
            pos = x, y
            pos = normalize(pos, g_pool.camera_render_size)
            # Position in img pixels
            pos = denormalize(pos, g_pool.capture.frame_size)
            for p in g_pool.plugins:
                p.on_pos(pos)

        def on_scroll(window, x, y):
            g_pool.gui.update_scroll(x, y * scroll_factor)

        def on_drop(window, count, paths):
            for x in range(count):
                new_rec_dir = paths[x].decode('utf-8')
                if is_pupil_rec_dir(new_rec_dir):
                    logger.debug(
                        "Starting new session with '{}'".format(new_rec_dir))
                    ipc_pub.notify({
                        "subject": "player_drop_process.should_start",
                        "rec_dir": new_rec_dir
                    })
                    glfw.glfwSetWindowShouldClose(window, True)
                else:
                    logger.error("'{}' is not a valid pupil recording".format(
                        new_rec_dir))

        tick = delta_t()

        def get_dt():
            return next(tick)

        video_path = [
            f for f in glob(os.path.join(rec_dir, "world.*"))
            if os.path.splitext(f)[1] in ('.mp4', '.mkv', '.avi', '.h264',
                                          '.mjpeg')
        ][0]
        pupil_data_path = os.path.join(rec_dir, "pupil_data")

        meta_info = load_meta_info(rec_dir)

        # log info about Pupil Platform and Platform in player.log
        logger.info('Application Version: {}'.format(app_version))
        logger.info('System Info: {}'.format(get_system_info()))

        icon_bar_width = 50
        window_size = None
        hdpi_factor = 1.0

        # create container for globally scoped vars
        g_pool = Global_Container()
        g_pool.app = 'player'
        g_pool.zmq_ctx = zmq_ctx
        g_pool.ipc_pub = ipc_pub
        g_pool.ipc_pub_url = ipc_pub_url
        g_pool.ipc_sub_url = ipc_sub_url
        g_pool.ipc_push_url = ipc_push_url
        g_pool.plugin_by_name = {p.__name__: p for p in plugins}
        g_pool.camera_render_size = None

        # sets itself to g_pool.capture
        File_Source(g_pool, video_path)

        # load session persistent settings
        session_settings = Persistent_Dict(
            os.path.join(user_dir, "user_settings_player"))
        if VersionFormat(session_settings.get("version",
                                              '0.0')) != app_version:
            logger.info(
                "Session setting are a different version of this app. I will not use those."
            )
            session_settings.clear()

        g_pool.capture.playback_speed = session_settings.get(
            'playback_speed', 1.)

        width, height = session_settings.get('window_size',
                                             g_pool.capture.frame_size)
        window_pos = session_settings.get('window_position',
                                          window_position_default)
        glfw.glfwInit()
        main_window = glfw.glfwCreateWindow(
            width, height, "Pupil Player: " + meta_info["Recording Name"] +
            " - " + rec_dir.split(os.path.sep)[-1], None, None)
        glfw.glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
        glfw.glfwMakeContextCurrent(main_window)
        cygl.utils.init()
        g_pool.main_window = main_window

        def set_scale(new_scale):
            g_pool.gui_user_scale = new_scale
            window_size = (
                g_pool.camera_render_size[0] +
                int(icon_bar_width * g_pool.gui_user_scale * hdpi_factor),
                glfw.glfwGetFramebufferSize(main_window)[1])
            logger.warning(icon_bar_width * g_pool.gui_user_scale *
                           hdpi_factor)
            glfw.glfwSetWindowSize(main_window, *window_size)

        # load pupil_positions, gaze_positions
        g_pool.pupil_data = load_object(pupil_data_path)
        g_pool.binocular = meta_info.get('Eye Mode',
                                         'monocular') == 'binocular'
        g_pool.version = app_version
        g_pool.timestamps = g_pool.capture.timestamps
        g_pool.get_timestamp = lambda: 0.
        g_pool.new_seek = True
        g_pool.user_dir = user_dir
        g_pool.rec_dir = rec_dir
        g_pool.meta_info = meta_info
        g_pool.min_data_confidence = session_settings.get(
            'min_data_confidence', 0.6)

        g_pool.pupil_positions = []
        g_pool.gaze_positions = []
        g_pool.fixations = []

        g_pool.notifications_by_frame = correlate_data(
            g_pool.pupil_data['notifications'], g_pool.timestamps)
        g_pool.pupil_positions_by_frame = [[] for x in g_pool.timestamps
                                           ]  # populated by producer`
        g_pool.gaze_positions_by_frame = [[] for x in g_pool.timestamps
                                          ]  # populated by producer
        g_pool.fixations_by_frame = [
            [] for x in g_pool.timestamps
        ]  # populated by the fixation detector plugin

        def set_data_confidence(new_confidence):
            g_pool.min_data_confidence = new_confidence
            notification = {'subject': 'min_data_confidence_changed'}
            notification['_notify_time_'] = time() + .8
            g_pool.ipc_pub.notify(notification)

        def open_plugin(plugin):
            if plugin == "Select to load":
                return
            g_pool.plugins.add(plugin)

        def purge_plugins():
            for p in g_pool.plugins:
                if p.__class__ in user_plugins:
                    p.alive = False
            g_pool.plugins.clean()

        def do_export(_):
            export_range = g_pool.seek_control.trim_left, g_pool.seek_control.trim_right
            export_dir = os.path.join(g_pool.rec_dir, 'exports',
                                      '{}-{}'.format(*export_range))
            try:
                os.makedirs(export_dir)
            except OSError as e:
                if e.errno != errno.EEXIST:
                    logger.error("Could not create export dir")
                    raise e
                else:
                    overwrite_warning = "Previous export for range [{}-{}] already exists - overwriting."
                    logger.warning(overwrite_warning.format(*export_range))
            else:
                logger.info('Created export dir at "{}"'.format(export_dir))

            notification = {
                'subject': 'should_export',
                'range': export_range,
                'export_dir': export_dir
            }
            g_pool.ipc_pub.notify(notification)

        def reset_restart():
            logger.warning("Resetting all settings and restarting Player.")
            glfw.glfwSetWindowShouldClose(main_window, True)
            ipc_pub.notify({'subject': 'clear_settings_process.should_start'})
            ipc_pub.notify({
                'subject': 'player_process.should_start',
                'rec_dir': rec_dir,
                'delay': 2.
            })

        def toggle_general_settings(collapsed):
            # this is the menu toggle logic.
            # Only one menu can be open.
            # If no menu is open the menubar should collapse.
            g_pool.menubar.collapsed = collapsed
            for m in g_pool.menubar.elements:
                m.collapsed = True
            general_settings.collapsed = collapsed

        g_pool.gui = ui.UI()
        g_pool.gui_user_scale = session_settings.get('gui_scale', 1.)
        g_pool.menubar = ui.Scrolling_Menu("Settings",
                                           pos=(-500, 0),
                                           size=(-icon_bar_width, 0),
                                           header_pos='left')
        g_pool.iconbar = ui.Scrolling_Menu("Icons",
                                           pos=(-icon_bar_width, 0),
                                           size=(0, 0),
                                           header_pos='hidden')
        g_pool.timelines = ui.Container((0, 0), (0, 0), (0, 0))
        g_pool.timelines.horizontal_constraint = g_pool.menubar
        g_pool.user_timelines = ui.Timeline_Menu('User Timelines',
                                                 pos=(0., -150.),
                                                 size=(0., 0.),
                                                 header_pos='headline')
        g_pool.user_timelines.color = RGBA(a=0.)
        g_pool.user_timelines.collapsed = True
        # add container that constaints itself to the seekbar height
        vert_constr = ui.Container((0, 0), (0, -50.), (0, 0))
        vert_constr.append(g_pool.user_timelines)
        g_pool.timelines.append(vert_constr)

        general_settings = ui.Growing_Menu('General', header_pos='headline')
        general_settings.append(
            ui.Button(
                'Reset window size', lambda: glfw.glfwSetWindowSize(
                    main_window, g_pool.capture.frame_size[0], g_pool.capture.
                    frame_size[1])))
        general_settings.append(
            ui.Selector('gui_user_scale',
                        g_pool,
                        setter=set_scale,
                        selection=[.8, .9, 1., 1.1, 1.2] +
                        list(np.arange(1.5, 5.1, .5)),
                        label='Interface Size'))
        general_settings.append(
            ui.Info_Text('Player Version: {}'.format(g_pool.version)))
        general_settings.append(
            ui.Info_Text('Capture Version: {}'.format(
                meta_info['Capture Software Version'])))
        general_settings.append(
            ui.Info_Text('Data Format Version: {}'.format(
                meta_info['Data Format Version'])))
        general_settings.append(
            ui.Slider('min_data_confidence',
                      g_pool,
                      setter=set_data_confidence,
                      step=.05,
                      min=0.0,
                      max=1.0,
                      label='Confidence threshold'))
        general_settings.append(
            ui.Button('Restart with default settings', reset_restart))

        g_pool.menubar.append(general_settings)
        icon = ui.Icon('collapsed',
                       general_settings,
                       label=chr(0xe8b8),
                       on_val=False,
                       off_val=True,
                       setter=toggle_general_settings,
                       label_font='pupil_icons')
        icon.tooltip = 'General Settings'
        g_pool.iconbar.append(icon)

        user_plugin_separator = ui.Separator()
        user_plugin_separator.order = 0.35
        g_pool.iconbar.append(user_plugin_separator)

        g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100),
                                             (100, -100))
        g_pool.export_button = ui.Thumb('export',
                                        label=chr(0xe2c5),
                                        getter=lambda: False,
                                        setter=do_export,
                                        hotkey='e',
                                        label_font='pupil_icons')
        g_pool.quickbar.extend([g_pool.export_button])
        g_pool.gui.append(g_pool.menubar)
        g_pool.gui.append(g_pool.timelines)
        g_pool.gui.append(g_pool.iconbar)
        g_pool.gui.append(g_pool.quickbar)

        # we always load these plugins
        default_plugins = [('Plugin_Manager', {}), ('Seek_Control', {}),
                           ('Log_Display', {}), ('Raw_Data_Exporter', {}),
                           ('Vis_Polyline', {}), ('Vis_Circle', {}),
                           ('System_Graphs', {}), ('System_Timelines', {}),
                           ('Video_Export_Launcher', {}),
                           ('Pupil_From_Recording', {}),
                           ('Gaze_From_Recording', {})]
        g_pool.plugins = Plugin_List(
            g_pool, session_settings.get('loaded_plugins', default_plugins))

        # Register callbacks main_window
        glfw.glfwSetFramebufferSizeCallback(main_window, on_resize)
        glfw.glfwSetKeyCallback(main_window, on_window_key)
        glfw.glfwSetCharCallback(main_window, on_window_char)
        glfw.glfwSetMouseButtonCallback(main_window, on_window_mouse_button)
        glfw.glfwSetCursorPosCallback(main_window, on_pos)
        glfw.glfwSetScrollCallback(main_window, on_scroll)
        glfw.glfwSetDropCallback(main_window, on_drop)

        toggle_general_settings(True)

        g_pool.gui.configuration = session_settings.get('ui_config', {})

        # gl_state settings
        gl_utils.basic_gl_setup()
        g_pool.image_tex = Named_Texture()

        # trigger on_resize
        on_resize(main_window, *glfw.glfwGetFramebufferSize(main_window))

        def handle_notifications(n):
            subject = n['subject']
            if subject == 'start_plugin':
                g_pool.plugins.add(g_pool.plugin_by_name[n['name']],
                                   args=n.get('args', {}))
            elif subject.startswith('meta.should_doc'):
                ipc_pub.notify({
                    'subject': 'meta.doc',
                    'actor': g_pool.app,
                    'doc': player.__doc__
                })
                for p in g_pool.plugins:
                    if (p.on_notify.__doc__
                            and p.__class__.on_notify != Plugin.on_notify):
                        ipc_pub.notify({
                            'subject': 'meta.doc',
                            'actor': p.class_name,
                            'doc': p.on_notify.__doc__
                        })

        while not glfw.glfwWindowShouldClose(main_window):

            # fetch newest notifications
            new_notifications = []
            while notify_sub.new_data:
                t, n = notify_sub.recv()
                new_notifications.append(n)

            # notify each plugin if there are new notifications:
            for n in new_notifications:
                handle_notifications(n)
                for p in g_pool.plugins:
                    p.on_notify(n)

            # grab new frame
            if g_pool.capture.play or g_pool.new_seek:
                g_pool.new_seek = False
                try:
                    new_frame = g_pool.capture.get_frame()
                except EndofVideoFileError:
                    # end of video logic: pause at last frame.
                    g_pool.capture.play = False
                    logger.warning("end of video")

            frame = new_frame.copy()
            events = {}
            events['frame'] = frame
            # report time between now and the last loop interation
            events['dt'] = get_dt()

            # pupil and gaze positions are added by their respective producer plugins
            events['pupil_positions'] = []
            events['gaze_positions'] = []

            # allow each Plugin to do its work.
            for p in g_pool.plugins:
                p.recent_events(events)

            # check if a plugin need to be destroyed
            g_pool.plugins.clean()

            glfw.glfwMakeContextCurrent(main_window)
            # render visual feedback from loaded plugins
            if gl_utils.is_window_visible(main_window):

                gl_utils.glViewport(0, 0, *g_pool.camera_render_size)
                g_pool.capture._recent_frame = frame
                g_pool.capture.gl_display()
                for p in g_pool.plugins:
                    p.gl_display()

                gl_utils.glViewport(0, 0, *window_size)

                try:
                    clipboard = glfw.glfwGetClipboardString(
                        main_window).decode()
                except AttributeError:  # clipbaord is None, might happen on startup
                    clipboard = ''
                g_pool.gui.update_clipboard(clipboard)
                user_input = g_pool.gui.update()
                if user_input.clipboard and user_input.clipboard != clipboard:
                    # only write to clipboard if content changed
                    glfw.glfwSetClipboardString(main_window,
                                                user_input.clipboard.encode())

                for b in user_input.buttons:
                    button, action, mods = b
                    x, y = glfw.glfwGetCursorPos(main_window)
                    pos = x * hdpi_factor, y * hdpi_factor
                    pos = normalize(pos, g_pool.camera_render_size)
                    pos = denormalize(pos, g_pool.capture.frame_size)
                    for p in g_pool.plugins:
                        p.on_click(pos, button, action)

                for key, scancode, action, mods in user_input.keys:
                    for p in g_pool.plugins:
                        p.on_key(key, scancode, action, mods)

                for char_ in user_input.chars:
                    for p in g_pool.plugins:
                        p.on_char(char_)

                glfw.glfwSwapBuffers(main_window)

            # present frames at appropriate speed
            g_pool.capture.wait(frame)
            glfw.glfwPollEvents()

        session_settings['playback_speed'] = g_pool.capture.playback_speed
        session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
        session_settings['min_data_confidence'] = g_pool.min_data_confidence
        session_settings['gui_scale'] = g_pool.gui_user_scale
        session_settings['ui_config'] = g_pool.gui.configuration
        session_settings['window_size'] = glfw.glfwGetWindowSize(main_window)
        session_settings['window_position'] = glfw.glfwGetWindowPos(
            main_window)
        session_settings['version'] = str(g_pool.version)
        session_settings.close()

        # de-init all running plugins
        for p in g_pool.plugins:
            p.alive = False
        g_pool.plugins.clean()

        g_pool.capture.cleanup()
        g_pool.gui.terminate()
        glfw.glfwDestroyWindow(main_window)

    except:
        import traceback
        trace = traceback.format_exc()
        logger.error('Process Player crashed with trace:\n{}'.format(trace))
    finally:
        logger.info("Process shutting down.")
        ipc_pub.notify({'subject': 'player_process.stopped'})
        sleep(1.0)
示例#24
0
def fill_cache(visited_list, video_file_path, timestamps, q, seek_idx, run,
               min_marker_perimeter):
    '''
    this function is part of marker_detector it is run as a seperate process.
    it must be kept in a seperate file for namespace sanatisation
    '''
    import os
    import logging
    logger = logging.getLogger(__name__ + ' with pid: ' + str(os.getpid()))
    logger.debug('Started cacher process for Marker Detector')
    import cv2
    from video_capture import File_Source, EndofVideoFileError, FileSeekError
    from square_marker_detect import detect_markers_robust
    aperture = 9
    markers = []
    cap = File_Source(Global_Container(),
                      video_file_path,
                      timestamps=timestamps)

    def next_unvisited_idx(frame_idx):
        try:
            visited = visited_list[frame_idx]
        except IndexError:
            visited = True  # trigger search

        if not visited:
            next_unvisited = frame_idx
        else:
            # find next unvisited site in the future
            try:
                next_unvisited = visited_list.index(False, frame_idx)
            except ValueError:
                # any thing in the past?
                try:
                    next_unvisited = visited_list.index(False, 0, frame_idx)
                except ValueError:
                    #no unvisited sites left. Done!
                    logger.debug("Caching completed.")
                    next_unvisited = None
        return next_unvisited

    def handle_frame(next):
        if next != cap.get_frame_index():
            #we need to seek:
            logger.debug("Seeking to Frame %s" % next)
            try:
                cap.seek_to_frame(next)
            except FileSeekError:
                #could not seek to requested position
                logger.warning("Could not evaluate frame: %s." % next)
                visited_list[next] = True  # this frame is now visited.
                q.put((next,
                       []))  # we cannot look at the frame, report no detection
                return
            #seeking invalidates prev markers for the detector
            markers[:] = []

        try:
            frame = cap.get_frame_nowait()
        except EndofVideoFileError:
            logger.debug("Video File's last frame(s) not accesible")
            #could not read frame
            logger.warning("Could not evaluate frame: %s." % next)
            visited_list[next] = True  # this frame is now visited.
            q.put(
                (next, []))  # we cannot look at the frame, report no detection
            return

        markers[:] = detect_markers_robust(
            frame.gray,
            grid_size=5,
            prev_markers=markers,
            min_marker_perimeter=min_marker_perimeter,
            aperture=aperture,
            visualize=0,
            true_detect_every_frame=1)

        visited_list[frame.index] = True
        q.put(
            (frame.index, markers[:])
        )  #object passed will only be pickeled when collected from other process! need to make a copy ot avoid overwrite!!!

    while run.value:
        next = cap.get_frame_index()
        if seek_idx.value != -1:
            next = seek_idx.value
            seek_idx.value = -1
            logger.debug("User required seek. Marker caching at Frame: %s" %
                         next)

        #check the visited list
        next = next_unvisited_idx(next)
        if next == None:
            #we are done here:
            break
        else:
            handle_frame(next)

    logger.debug("Closing Cacher Process")
    cap.cleanup()
    q.close()
    run.value = False
    return
def fill_cache(visited_list, video_file_path, q, seek_idx, run,
               min_marker_perimeter, invert_image):
    """
    this function is part of marker_detector it is run as a seperate process.
    it must be kept in a seperate file for namespace sanatisation
    """
    import os
    import logging

    logger = logging.getLogger(__name__ + " with pid: " + str(os.getpid()))
    logger.debug("Started cacher process for Marker Detector")
    from video_capture import File_Source, EndofVideoError, FileSeekError
    from square_marker_detect import detect_markers_robust

    aperture = 9
    markers = []
    cap = File_Source(SimpleNamespace(),
                      source_path=video_file_path,
                      timing=None,
                      fill_gaps=True)

    def next_unvisited_idx(frame_idx):
        try:
            visited = visited_list[frame_idx]
        except IndexError:
            visited = True  # trigger search

        if not visited:
            next_unvisited = frame_idx
        else:
            # find next unvisited site in the future
            try:
                next_unvisited = visited_list.index(False, frame_idx)
            except ValueError:
                # any thing in the past?
                try:
                    next_unvisited = visited_list.index(False, 0, frame_idx)
                except ValueError:
                    # no unvisited sites left. Done!
                    logger.debug("Caching completed.")
                    next_unvisited = None
        return next_unvisited

    def handle_frame(next_frame):
        if next_frame != cap.get_frame_index() + 1:
            # we need to seek:
            logger.debug("Seeking to Frame {}".format(next_frame))
            try:
                cap.seek_to_frame(next_frame)
            except FileSeekError:
                # could not seek to requested position
                logger.warning(
                    "Could not evaluate frame: {}.".format(next_frame))
                visited_list[next_frame] = True  # this frame is now visited.
                q.put((next_frame,
                       []))  # we cannot look at the frame, report no detection
                return
            # seeking invalidates prev markers for the detector
            markers[:] = []

        try:
            frame = cap.get_frame()
        except EndofVideoError:
            logger.debug("Video File's last frame(s) not accesible")

            # could not read frame
            logger.warning("Could not evaluate frame: {}.".format(next_frame))
            visited_list[next_frame] = True  # this frame is now visited.
            q.put((next_frame,
                   []))  # we cannot look at the frame, report no detection
            return

        markers[:] = detect_markers_robust(
            frame.gray,
            grid_size=5,
            prev_markers=markers,
            min_marker_perimeter=min_marker_perimeter,
            aperture=aperture,
            visualize=0,
            true_detect_every_frame=1,
            invert_image=invert_image,
        )

        visited_list[frame.index] = True
        q.put(
            (frame.index, markers[:])
        )  # object passed will only be pickeled when collected from other process! need to make a copy ot avoid overwrite!!!

    while run.value:
        next_frame = cap.get_frame_index()
        if seek_idx.value != -1:
            next_frame = seek_idx.value
            seek_idx.value = -1
            logger.debug(
                "User required seek. Marker caching at Frame: {}".format(
                    next_frame))
        # Delete the # to unfill the gap
        # target_entry = cap.videoset.lookup[next_frame]
        # if target_entry.container_idx == -1:
        #     continue

        # check the visited list
        next_frame = next_unvisited_idx(next_frame)
        if next_frame is None:
            # we are done here:
            break
        else:
            handle_frame(next_frame)

    logger.debug("Closing Cacher Process")
    cap.cleanup()
    q.close()
    run.value = False
    return
def fill_cache(visited_list,video_file_path,timestamps,q,seek_idx,run,min_marker_perimeter):
    '''
    this function is part of marker_detector it is run as a seperate process.
    it must be kept in a seperate file for namespace sanatisation
    '''
    import os
    #import logging
    #logger = logging.getLogger(__name__+' with pid: '+str(os.getpid()) )
    #logger.debug('Started cacher process for Marker Detector')
    import cv2
    from video_capture import File_Source, EndofVideoFileError,FileSeekError
    from screen_detector_methods import detect_screens
    #aperture = 9
    markers = []
    cap = File_Source(Global_Container(),video_file_path,timestamps=timestamps)

    def next_unvisited_idx(frame_idx):
        try:
            visited = visited_list[frame_idx]
        except IndexError:
            visited = True # trigger search

        if not visited:
            next_unvisited = frame_idx
        else:
            # find next unvisited site in the future
            try:
                next_unvisited = visited_list.index(False,frame_idx)
            except ValueError:
                # any thing in the past?
                try:
                    next_unvisited = visited_list.index(False,0,frame_idx)
                except ValueError:
                    #no unvisited sites left. Done!
                    #logger.debug("Caching completed.")
                    next_unvisited = None
        return next_unvisited

    def handle_frame(next):
        if next != cap.get_frame_index():
            #we need to seek:
            #logger.debug("Seeking to Frame %s" %next)
            try:
                cap.seek_to_frame(next)
            except FileSeekError:
                #could not seek to requested position
                #logger.warning("Could not evaluate frame: %s."%next)
                visited_list[next] = True # this frame is now visited.
                q.put((next,[])) # we cannot look at the frame, report no detection
                return
            #seeking invalidates prev markers for the detector
            markers[:] = []

        try:
            frame = cap.get_frame_nowait()
        except EndofVideoFileError:
            #logger.debug("Video File's last frame(s) not accesible")
             #could not read frame
            #logger.warning("Could not evaluate frame: %s."%next)
            visited_list[next] = True # this frame is now visited.
            q.put((next,[])) # we cannot look at the frame, report no detection
            return

        markers[:] = detect_screens(frame.gray)

        visited_list[frame.index] = True
        q.put((frame.index,markers[:])) #object passed will only be pickeled when collected from other process! need to make a copy ot avoid overwrite!!!

    while run.value:
        next = cap.get_frame_index()
        if seek_idx.value != -1:
            next = seek_idx.value
            seek_idx.value = -1
            #logger.debug("User required seek. Marker caching at Frame: %s"%next)


        #check the visited list
        next = next_unvisited_idx(next)
        if next == None:
            #we are done here:
            break
        else:
            handle_frame(next)


    #logger.debug("Closing Cacher Process")
    cap.cleanup()
    q.close()
    run.value = False
    return
示例#27
0
    def update_cache_hack(self):
        from video_capture import File_Source, EndofVideoError, FileSeekError
        from screen_detector_methods import detect_screens

        def put_in_cache(frame_idx, detected_screen):
            print(frame_idx)
            visited_list[frame_idx] = True
            self.cache.update(frame_idx, detected_screen)
            for s in self.surfaces:
                s.update_cache(self.cache,
                               min_marker_perimeter=self.min_marker_perimeter,
                               min_id_confidence=self.min_id_confidence,
                               idx=frame_idx)

        def next_unvisited_idx(frame_idx):
            try:
                visited = visited_list[frame_idx]
            except IndexError:
                visited = True  # trigger search

            if not visited:
                next_unvisited = frame_idx
            else:
                # find next unvisited site in the future
                try:
                    next_unvisited = visited_list.index(False, frame_idx)
                except ValueError:
                    # any thing in the past?
                    try:
                        next_unvisited = visited_list.index(
                            False, 0, frame_idx)
                    except ValueError:
                        #no unvisited sites left. Done!
                        #logger.debug("Caching completed.")
                        next_unvisited = None
            return next_unvisited

        def handle_frame(next_frame):
            if next_frame != cap.get_frame_index():
                #we need to seek:
                #logger.debug("Seeking to Frame %s" %next_frame)
                try:
                    cap.seek_to_frame(next_frame)
                except FileSeekError:
                    put_in_cache(
                        next_frame,
                        [])  # we cannot look at the frame, report no detection
                    return
                #seeking invalidates prev markers for the detector
                # markers[:] = []

            try:
                frame = cap.get_frame()
            except EndofVideoError:
                put_in_cache(
                    next_frame,
                    [])  # we cannot look at the frame, report no detection
                return

            put_in_cache(frame.index, detect_screens(frame.gray))

        self.cacher_seek_idx = 0
        visited_list = [False for x in self.cache]
        # markers = []
        cap = File_Source(Global_Container(), self.g_pool.capture.source_path)

        for _ in self.cache:
            next_frame = cap.get_frame_index()
            if next_frame is None or next_frame >= len(self.cache):
                #we are done here:
                break
            else:
                handle_frame(next_frame)
示例#28
0
def circle_detector(ipc_push_url, pair_url, source_path, batch_size=20):

    # ipc setup
    import zmq
    import zmq_tools
    zmq_ctx = zmq.Context()
    process_pipe = zmq_tools.Msg_Pair_Client(zmq_ctx, pair_url)

    # logging setup
    import logging
    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    # imports
    from time import sleep
    from video_capture import File_Source, EndofVideoFileError
    from circle_detector import CircleTracker

    try:
        src = File_Source(Empty(), source_path, timed_playback=False)
        frame = src.get_frame()
        logger.info('Starting calibration marker detection...')
        frame_count = src.get_frame_count()

        queue = []
        circle_tracker = CircleTracker()

        while True:
            while process_pipe.new_data:
                topic, n = process_pipe.recv()
                if topic == 'terminate':
                    process_pipe.send(topic='exception',
                                      payload={"reason": "User terminated."})
                    logger.debug("Process terminated")
                    sleep(1.0)
                    return

            progress = 100. * frame.index / frame_count

            markers = [
                m for m in circle_tracker.update(frame.gray)
                if m['marker_type'] == 'Ref'
            ]

            if len(markers):
                ref = {
                    "norm_pos": markers[0]['norm_pos'],
                    "screen_pos": markers[0]['img_pos'],
                    "timestamp": frame.timestamp,
                    'index': frame.index
                }
                queue.append((progress, ref))
            else:
                queue.append((progress, None))

            if len(queue) > batch_size:
                # dequeue batch
                data = queue[:batch_size]
                del queue[:batch_size]
                process_pipe.send(topic='progress', payload={'data': data})

            frame = src.get_frame()

    except EndofVideoFileError:
        process_pipe.send(topic='progress', payload={'data': queue})
        process_pipe.send(topic='finished', payload={})
        logger.debug("Process finished")

    except Exception:
        import traceback
        process_pipe.send(topic='exception',
                          payload={'reason': traceback.format_exc()})
        logger.debug("Process raised Exception")

    sleep(1.0)
示例#29
0
def export(should_terminate, frames_to_export, current_frame, rec_dir, user_dir, min_data_confidence,
           start_frame=None, end_frame=None, plugin_initializers=(), out_file_path=None,pre_computed={}):

    vis_plugins = sorted([Vis_Circle,Vis_Cross,Vis_Polyline,Vis_Light_Points,
        Vis_Watermark,Vis_Scan_Path,Vis_Eye_Video_Overlay], key=lambda x: x.__name__)
    analysis_plugins = sorted([ Pupil_Angle_3D_Fixation_Detector,
                               Gaze_Position_2D_Fixation_Detector], key=lambda x: x.__name__)
    user_plugins = sorted(import_runtime_plugins(os.path.join(user_dir, 'plugins')), key=lambda x: x.__name__)

    available_plugins = vis_plugins + analysis_plugins + user_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    logger = logging.getLogger(__name__+' with pid: '+str(os.getpid()))

    update_recording_to_recent(rec_dir)

    video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")
    audio_path = os.path.join(rec_dir, "audio.mp4")

    meta_info = load_meta_info(rec_dir)

    g_pool = Global_Container()
    g_pool.app = 'exporter'
    g_pool.min_data_confidence = min_data_confidence
    timestamps = np.load(timestamps_path)
    cap = File_Source(g_pool, video_path, timestamps=timestamps)

    # Out file path verification, we do this before but if one uses a seperate tool, this will kick in.
    if out_file_path is None:
        out_file_path = os.path.join(rec_dir, "world_viz.mp4")
    else:
        file_name = os.path.basename(out_file_path)
        dir_name = os.path.dirname(out_file_path)
        if not dir_name:
            dir_name = rec_dir
        if not file_name:
            file_name = 'world_viz.mp4'
        out_file_path = os.path.expanduser(os.path.join(dir_name, file_name))

    if os.path.isfile(out_file_path):
        logger.warning("Video out file already exsists. I will overwrite!")
        os.remove(out_file_path)
    logger.debug("Saving Video to {}".format(out_file_path))

    # Trim mark verification
    # make sure the trim marks (start frame, endframe) make sense:
    # We define them like python list slices, thus we can test them like such.
    trimmed_timestamps = timestamps[start_frame:end_frame]
    if len(trimmed_timestamps) == 0:
        logger.warn("Start and end frames are set such that no video will be exported.")
        return False

    if start_frame is None:
        start_frame = 0

    # these two vars are shared with the lauching process and give a job length and progress report.
    frames_to_export.value = len(trimmed_timestamps)
    current_frame.value = 0
    exp_info = "Will export from frame {} to frame {}. This means I will export {} frames."
    logger.debug(exp_info.format(start_frame, start_frame + frames_to_export.value, frames_to_export.value))

    # setup of writer
    writer = AV_Writer(out_file_path, fps=cap.frame_rate, audio_loc=audio_path, use_timestamps=True)

    cap.seek_to_frame(start_frame)

    start_time = time()

    g_pool.capture = cap
    g_pool.rec_dir = rec_dir
    g_pool.user_dir = user_dir
    g_pool.meta_info = meta_info
    g_pool.timestamps = timestamps
    g_pool.delayed_notifications = {}
    g_pool.notifications = []
    # load pupil_positions, gaze_positions
    pupil_data = pre_computed.get("pupil_data") or load_object(pupil_data_path)
    g_pool.pupil_data = pupil_data
    g_pool.pupil_positions = pre_computed.get("pupil_positions") or pupil_data['pupil_positions']
    g_pool.gaze_positions = pre_computed.get("gaze_positions") or pupil_data['gaze_positions']
    g_pool.fixations = [] # populated by the fixation detector plugin

    g_pool.pupil_positions_by_frame = correlate_data(g_pool.pupil_positions,g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(g_pool.gaze_positions,g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    # add plugins
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, plugin_initializers)

    while frames_to_export.value > current_frame.value:

        if should_terminate.value:
            logger.warning("User aborted export. Exported {} frames to {}.".format(current_frame.value, out_file_path))

            # explicit release of VideoWriter
            writer.close()
            writer = None
            return False

        try:
            frame = cap.get_frame()
        except EndofVideoFileError:
            break

        events = {'frame':frame}
        # new positons and events
        events['gaze_positions'] = g_pool.gaze_positions_by_frame[frame.index]
        events['pupil_positions'] = g_pool.pupil_positions_by_frame[frame.index]

        # publish delayed notifiactions when their time has come.
        for n in list(g_pool.delayed_notifications.values()):
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.recent_events(events)

        writer.write_video_frame(frame)
        current_frame.value += 1

    writer.close()
    writer = None

    duration = time()-start_time
    effective_fps = float(current_frame.value)/duration

    result = "Export done: Exported {} frames to {}. This took {} seconds. Exporter ran at {} frames per second."
    logger.info(result.format(current_frame.value, out_file_path, duration, effective_fps))
    return True
示例#30
0
def _export_world_video(
    rec_dir,
    user_dir,
    min_data_confidence,
    start_frame,
    end_frame,
    plugin_initializers,
    out_file_path,
    pre_computed_eye_data,
):
    """
    Simulates the generation for the world video and saves a certain time range as a video.
    It simulates a whole g_pool such that all plugins run as normal.
    """
    from glob import glob
    from time import time

    import file_methods as fm
    import player_methods as pm
    from av_writer import MPEG_Audio_Writer

    # We are not importing manual gaze correction. In Player corrections have already
    # been applied.
    from fixation_detector import Offline_Fixation_Detector

    # Plug-ins
    from plugin import Plugin_List, import_runtime_plugins
    from video_capture import EndofVideoError, File_Source
    from video_overlay.plugins import Video_Overlay, Eye_Overlay
    from vis_circle import Vis_Circle
    from vis_cross import Vis_Cross
    from vis_light_points import Vis_Light_Points
    from vis_polyline import Vis_Polyline
    from vis_watermark import Vis_Watermark

    PID = str(os.getpid())
    logger = logging.getLogger(f"{__name__} with pid: {PID}")
    start_status = f"Starting video export with pid: {PID}"
    logger.info(start_status)
    yield start_status, 0

    try:
        vis_plugins = sorted(
            [
                Vis_Circle,
                Vis_Cross,
                Vis_Polyline,
                Vis_Light_Points,
                Vis_Watermark,
                Eye_Overlay,
                Video_Overlay,
            ],
            key=lambda x: x.__name__,
        )
        analysis_plugins = [Offline_Fixation_Detector]
        user_plugins = sorted(
            import_runtime_plugins(os.path.join(user_dir, "plugins")),
            key=lambda x: x.__name__,
        )

        available_plugins = vis_plugins + analysis_plugins + user_plugins
        name_by_index = [p.__name__ for p in available_plugins]
        plugin_by_name = dict(zip(name_by_index, available_plugins))

        recording = PupilRecording(rec_dir)
        meta_info = recording.meta_info

        g_pool = GlobalContainer()
        g_pool.app = "exporter"
        g_pool.process = "exporter"
        g_pool.min_data_confidence = min_data_confidence

        videos = recording.files().core().world().videos()
        if not videos:
            raise FileNotFoundError("No world video found")

        source_path = videos[0].resolve()
        cap = File_Source(g_pool,
                          source_path=source_path,
                          fill_gaps=True,
                          timing=None)
        if not cap.initialised:
            warn = "Trying to export zero-duration world video."
            logger.warning(warn)
            yield warn, 0.0
            return

        timestamps = cap.timestamps

        file_name = os.path.basename(out_file_path)
        dir_name = os.path.dirname(out_file_path)
        out_file_path = os.path.expanduser(os.path.join(dir_name, file_name))

        if os.path.isfile(out_file_path):
            logger.warning("Video out file already exsists. I will overwrite!")
            os.remove(out_file_path)
        logger.debug("Saving Video to {}".format(out_file_path))

        # Trim mark verification
        # make sure the trim marks (start frame, end frame) make sense:
        # We define them like python list slices, thus we can test them like such.
        trimmed_timestamps = timestamps[start_frame:end_frame]
        if len(trimmed_timestamps) == 0:
            warn = "Start and end frames are set such that no video will be exported."
            logger.warning(warn)
            yield warn, 0.0
            return

        if start_frame is None:
            start_frame = 0

        # these two vars are shared with the launching process and
        # give a job length and progress report.
        frames_to_export = len(trimmed_timestamps)
        current_frame = 0
        logger.debug(
            f"Will export from frame {start_frame} to frame "
            f"{start_frame + frames_to_export}. This means I will export "
            f"{frames_to_export} frames.")

        cap.seek_to_frame(start_frame)

        start_time = time()

        g_pool.plugin_by_name = plugin_by_name
        g_pool.capture = cap
        g_pool.rec_dir = rec_dir
        g_pool.user_dir = user_dir
        g_pool.meta_info = meta_info
        g_pool.timestamps = timestamps
        g_pool.delayed_notifications = {}
        g_pool.notifications = []

        for initializers in pre_computed_eye_data.values():
            initializers["data"] = [
                fm.Serialized_Dict(msgpack_bytes=serialized)
                for serialized in initializers["data"]
            ]

        g_pool.pupil_positions = pm.PupilDataBisector.from_init_dict(
            pre_computed_eye_data["pupil"])
        g_pool.gaze_positions = pm.Bisector(**pre_computed_eye_data["gaze"])
        g_pool.fixations = pm.Affiliator(**pre_computed_eye_data["fixations"])

        # add plugins
        g_pool.plugins = Plugin_List(g_pool, plugin_initializers)

        try:
            # setup of writer
            writer = MPEG_Audio_Writer(
                out_file_path,
                start_time_synced=trimmed_timestamps[0],
                audio_dir=rec_dir,
            )

            while frames_to_export > current_frame:
                try:
                    frame = cap.get_frame()
                except EndofVideoError:
                    break

                events = {"frame": frame}
                # new positions and events
                frame_window = pm.enclosing_window(g_pool.timestamps,
                                                   frame.index)
                events["gaze"] = g_pool.gaze_positions.by_ts_window(
                    frame_window)
                events["pupil"] = g_pool.pupil_positions.by_ts_window(
                    frame_window)

                # publish delayed notifications when their time has come.
                for n in list(g_pool.delayed_notifications.values()):
                    if n["_notify_time_"] < time():
                        del n["_notify_time_"]
                        del g_pool.delayed_notifications[n["subject"]]
                        g_pool.notifications.append(n)

                # notify each plugin if there are new notifications:
                while g_pool.notifications:
                    n = g_pool.notifications.pop(0)
                    for p in g_pool.plugins:
                        p.on_notify(n)

                # allow each Plugin to do its work.
                for p in g_pool.plugins:
                    p.recent_events(events)

                writer.write_video_frame(frame)
                current_frame += 1
                yield "Exporting with pid {}".format(PID), current_frame
        except GeneratorExit:
            logger.warning(f"Video export with pid {PID} was canceled.")
            writer.close(timestamp_export_format=None,
                         closed_suffix=".canceled")
            return

        writer.close(timestamp_export_format="all")

        duration = time() - start_time
        effective_fps = float(current_frame) / duration

        logger.info(
            f"Export done: Exported {current_frame} frames to {out_file_path}. "
            f"This took {duration} seconds. "
            f"Exporter ran at {effective_fps} frames per second.")
        yield "Export done. This took {:.0f} seconds.".format(
            duration), current_frame

    except GeneratorExit:
        logger.warning(f"Video export with pid {PID} was canceled.")
示例#31
0
def circle_detector(ipc_push_url, pair_url, source_path, batch_size=20):

    # ipc setup
    import zmq
    import zmq_tools

    zmq_ctx = zmq.Context()
    process_pipe = zmq_tools.Msg_Pair_Client(zmq_ctx, pair_url)

    # logging setup
    import logging

    logging.getLogger("OpenGL").setLevel(logging.ERROR)
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.INFO)
    logger.addHandler(zmq_tools.ZMQ_handler(zmq_ctx, ipc_push_url))
    # create logger for the context of this function
    logger = logging.getLogger(__name__)

    # imports
    from time import sleep
    from video_capture import File_Source, EndofVideoError
    from circle_detector import CircleTracker

    try:
        # TODO: we need fill_gaps=True for correct frame indices to paint the circle
        # markers on the world stream. But actually we don't want to process gap frames
        # with the marker detector. We should make an option to only receive non-gap
        # frames, but with gap-like indices?
        src = File_Source(SimpleNamespace(),
                          source_path,
                          timing=None,
                          fill_gaps=True)

        frame = src.get_frame()
        logger.info("Starting calibration marker detection...")
        frame_count = src.get_frame_count()

        queue = []
        circle_tracker = CircleTracker()

        while True:
            while process_pipe.new_data:
                topic, n = process_pipe.recv()
                if topic == "terminate":
                    process_pipe.send({
                        "topic": "exception",
                        "reason": "User terminated."
                    })
                    logger.debug("Process terminated")
                    sleep(1.0)
                    return

            progress = 100.0 * frame.index / frame_count

            markers = [
                m for m in circle_tracker.update(frame.gray)
                if m["marker_type"] == "Ref"
            ]

            if len(markers):
                ref = {
                    "norm_pos": markers[0]["norm_pos"],
                    "screen_pos": markers[0]["img_pos"],
                    "timestamp": frame.timestamp,
                    "index_range":
                    tuple(range(frame.index - 5, frame.index + 5)),
                    "index": frame.index,
                }
                queue.append((progress, ref))
            else:
                queue.append((progress, None))

            if len(queue) > batch_size:
                # dequeue batch
                data = queue[:batch_size]
                del queue[:batch_size]
                process_pipe.send({"topic": "progress", "data": data})

            frame = src.get_frame()

    except EndofVideoError:
        process_pipe.send({"topic": "progress", "data": queue})
        process_pipe.send({"topic": "finished"})
        logger.debug("Process finished")

    except Exception:
        import traceback

        process_pipe.send({
            "topic": "exception",
            "reason": traceback.format_exc()
        })
        logger.debug("Process raised Exception")

    sleep(1.0)
示例#32
0
def session(rec_dir):
    system_plugins = [Log_Display, Seek_Bar, Trim_Marks]
    vis_plugins = sorted([Vis_Circle, Vis_Fixation, Vis_Polyline, Vis_Light_Points, Vis_Cross,
                          Vis_Watermark, Vis_Eye_Video_Overlay, Vis_Scan_Path], key=lambda x: x.__name__)

    analysis_plugins = sorted([Gaze_Position_2D_Fixation_Detector, Pupil_Angle_3D_Fixation_Detector,
                               Manual_Gaze_Correction, Video_Export_Launcher, Offline_Surface_Tracker,
                               Raw_Data_Exporter, Batch_Exporter, Annotation_Player], key=lambda x: x.__name__)

    other_plugins = sorted([Show_Calibration, Log_History, Marker_Auto_Trim_Marks], key=lambda x: x.__name__)
    user_plugins = sorted(import_runtime_plugins(os.path.join(user_dir, 'plugins')), key=lambda x: x.__name__)

    user_launchable_plugins = vis_plugins + analysis_plugins + other_plugins + user_plugins
    available_plugins = system_plugins + user_launchable_plugins
    name_by_index = [p.__name__ for p in available_plugins]
    plugin_by_name = dict(zip(name_by_index, available_plugins))

    # Callback functions
    def on_resize(window, w, h):
        g_pool.gui.update_window(w, h)
        g_pool.gui.collect_menus()
        graph.adjust_size(w, h)
        gl_utils.adjust_gl_view(w, h)
        for p in g_pool.plugins:
            p.on_window_resize(window, w, h)

    def on_key(window, key, scancode, action, mods):
        g_pool.gui.update_key(key, scancode, action, mods)

    def on_char(window, char):
        g_pool.gui.update_char(char)

    def on_button(window, button, action, mods):
        g_pool.gui.update_button(button, action, mods)
        pos = glfwGetCursorPos(window)
        pos = normalize(pos, glfwGetWindowSize(window))
        pos = denormalize(pos, (frame.img.shape[1], frame.img.shape[0]))  # Position in img pixels
        for p in g_pool.plugins:
            p.on_click(pos, button, action)

    def on_pos(window, x, y):
        hdpi_factor = float(glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0])
        g_pool.gui.update_mouse(x*hdpi_factor, y*hdpi_factor)

    def on_scroll(window, x, y):
        g_pool.gui.update_scroll(x, y*scroll_factor)

    def on_drop(window, count, paths):
        for x in range(count):
            new_rec_dir = paths[x].decode('utf-8')
            if is_pupil_rec_dir(new_rec_dir):
                logger.debug("Starting new session with '{}'".format(new_rec_dir))
                global rec_dir
                rec_dir = new_rec_dir
                glfwSetWindowShouldClose(window, True)
            else:
                logger.error("'{}' is not a valid pupil recording".format(new_rec_dir))

    tick = delta_t()

    def get_dt():
        return next(tick)

    update_recording_to_recent(rec_dir)

    video_path = [f for f in glob(os.path.join(rec_dir, "world.*")) if f[-3:] in ('mp4', 'mkv', 'avi')][0]
    timestamps_path = os.path.join(rec_dir, "world_timestamps.npy")
    pupil_data_path = os.path.join(rec_dir, "pupil_data")

    meta_info = load_meta_info(rec_dir)
    rec_version = read_rec_version(meta_info)
    app_version = get_version(version_file)

    # log info about Pupil Platform and Platform in player.log
    logger.info('Application Version: {}'.format(app_version))
    logger.info('System Info: {}'.format(get_system_info()))

    timestamps = np.load(timestamps_path)

    # create container for globally scoped vars
    g_pool = Global_Container()
    g_pool.app = 'player'

    # Initialize capture
    cap = File_Source(g_pool, video_path, timestamps=list(timestamps))

    # load session persistent settings
    session_settings = Persistent_Dict(os.path.join(user_dir, "user_settings"))
    if session_settings.get("version", VersionFormat('0.0')) < get_version(version_file):
        logger.info("Session setting are from older version of this app. I will not use those.")
        session_settings.clear()

    width, height = session_settings.get('window_size', cap.frame_size)
    window_pos = session_settings.get('window_position', window_position_default)
    main_window = glfwCreateWindow(width, height, "Pupil Player: "+meta_info["Recording Name"]+" - "
                                   + rec_dir.split(os.path.sep)[-1], None, None)
    glfwSetWindowPos(main_window, window_pos[0], window_pos[1])
    glfwMakeContextCurrent(main_window)
    cygl.utils.init()

    # load pupil_positions, gaze_positions
    pupil_data = load_object(pupil_data_path)
    pupil_list = pupil_data['pupil_positions']
    gaze_list = pupil_data['gaze_positions']

    g_pool.binocular = meta_info.get('Eye Mode', 'monocular') == 'binocular'
    g_pool.version = app_version
    g_pool.capture = cap
    g_pool.timestamps = timestamps
    g_pool.play = False
    g_pool.new_seek = True
    g_pool.user_dir = user_dir
    g_pool.rec_dir = rec_dir
    g_pool.rec_version = rec_version
    g_pool.meta_info = meta_info
    g_pool.min_data_confidence = session_settings.get('min_data_confidence', 0.6)
    g_pool.pupil_positions_by_frame = correlate_data(pupil_list, g_pool.timestamps)
    g_pool.gaze_positions_by_frame = correlate_data(gaze_list, g_pool.timestamps)
    g_pool.fixations_by_frame = [[] for x in g_pool.timestamps]  # populated by the fixation detector plugin

    def next_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index())
        except(FileSeekError):
            logger.warning("Could not seek to next frame.")
        else:
            g_pool.new_seek = True

    def prev_frame(_):
        try:
            cap.seek_to_frame(cap.get_frame_index()-2)
        except(FileSeekError):
            logger.warning("Could not seek to previous frame.")
        else:
            g_pool.new_seek = True

    def toggle_play(new_state):
        if cap.get_frame_index() >= cap.get_frame_count()-5:
            cap.seek_to_frame(1)  # avoid pause set by hitting trimmark pause.
            logger.warning("End of video - restart at beginning.")
        g_pool.play = new_state

    def set_scale(new_scale):
        g_pool.gui.scale = new_scale
        g_pool.gui.collect_menus()

    def set_data_confidence(new_confidence):
        g_pool.min_data_confidence = new_confidence
        notification = {'subject': 'min_data_confidence_changed'}
        notification['_notify_time_'] = time()+.8
        g_pool.delayed_notifications[notification['subject']] = notification

    def open_plugin(plugin):
        if plugin == "Select to load":
            return
        g_pool.plugins.add(plugin)

    def purge_plugins():
        for p in g_pool.plugins:
            if p.__class__ in user_launchable_plugins:
                p.alive = False
        g_pool.plugins.clean()

    def do_export(_):
        export_range = slice(g_pool.trim_marks.in_mark, g_pool.trim_marks.out_mark)
        export_dir = os.path.join(g_pool.rec_dir, 'exports', '{}-{}'.format(export_range.start, export_range.stop))
        try:
            os.makedirs(export_dir)
        except OSError as e:
            if e.errno != errno.EEXIST:
                logger.error("Could not create export dir")
                raise e
            else:
                overwrite_warning = "Previous export for range [{}-{}] already exsits - overwriting."
                logger.warning(overwrite_warning.format(export_range.start, export_range.stop))
        else:
            logger.info('Created export dir at "{}"'.format(export_dir))

        notification = {'subject': 'should_export', 'range': export_range, 'export_dir': export_dir}
        g_pool.notifications.append(notification)

    g_pool.gui = ui.UI()
    g_pool.gui.scale = session_settings.get('gui_scale', 1)
    g_pool.main_menu = ui.Scrolling_Menu("Settings", pos=(-350, 20), size=(300, 500))
    g_pool.main_menu.append(ui.Button("Close Pupil Player", lambda: glfwSetWindowShouldClose(main_window, True)))
    g_pool.main_menu.append(ui.Slider('scale', g_pool.gui, setter=set_scale, step=.05, min=0.75, max=2.5, label='Interface Size'))
    g_pool.main_menu.append(ui.Info_Text('Player Version: {}'.format(g_pool.version)))
    g_pool.main_menu.append(ui.Info_Text('Recording Version: {}'.format(rec_version)))
    g_pool.main_menu.append(ui.Slider('min_data_confidence', g_pool, setter=set_data_confidence,
                                      step=.05, min=0.0, max=1.0, label='Confidence threshold'))

    selector_label = "Select to load"

    vis_labels = ["   " + p.__name__.replace('_', ' ') for p in vis_plugins]
    analysis_labels = ["   " + p.__name__.replace('_', ' ') for p in analysis_plugins]
    other_labels = ["   " + p.__name__.replace('_', ' ') for p in other_plugins]
    user_labels = ["   " + p.__name__.replace('_', ' ') for p in user_plugins]

    plugins = ([selector_label, selector_label] + vis_plugins + [selector_label] + analysis_plugins + [selector_label]
               + other_plugins + [selector_label] + user_plugins)
    labels = ([selector_label, "Visualization"] + vis_labels + ["Analysis"] + analysis_labels + ["Other"]
              + other_labels + ["User added"] + user_labels)

    g_pool.main_menu.append(ui.Selector('Open plugin:',
                                        selection=plugins,
                                        labels=labels,
                                        setter=open_plugin,
                                        getter=lambda: selector_label))

    g_pool.main_menu.append(ui.Button('Close all plugins', purge_plugins))
    g_pool.main_menu.append(ui.Button('Reset window size',
                                      lambda: glfwSetWindowSize(main_window, cap.frame_size[0], cap.frame_size[1])))
    g_pool.quickbar = ui.Stretching_Menu('Quick Bar', (0, 100), (120, -100))
    g_pool.play_button = ui.Thumb('play',
                                  g_pool,
                                  label=chr(0xf04b),
                                  setter=toggle_play,
                                  hotkey=GLFW_KEY_SPACE,
                                  label_font='fontawesome',
                                  label_offset_x=5,
                                  label_offset_y=0,
                                  label_offset_size=-24)
    g_pool.play_button.on_color[:] = (0, 1., .0, .8)
    g_pool.forward_button = ui.Thumb('forward',
                                     label=chr(0xf04e),
                                     getter=lambda: False,
                                     setter=next_frame,
                                     hotkey=GLFW_KEY_RIGHT,
                                     label_font='fontawesome',
                                     label_offset_x=5,
                                     label_offset_y=0,
                                     label_offset_size=-24)
    g_pool.backward_button = ui.Thumb('backward',
                                      label=chr(0xf04a),
                                      getter=lambda: False,
                                      setter=prev_frame,
                                      hotkey=GLFW_KEY_LEFT,
                                      label_font='fontawesome',
                                      label_offset_x=-5,
                                      label_offset_y=0,
                                      label_offset_size=-24)
    g_pool.export_button = ui.Thumb('export',
                                    label=chr(0xf063),
                                    getter=lambda: False,
                                    setter=do_export,
                                    hotkey='e',
                                    label_font='fontawesome',
                                    label_offset_x=0,
                                    label_offset_y=2,
                                    label_offset_size=-24)
    g_pool.quickbar.extend([g_pool.play_button, g_pool.forward_button, g_pool.backward_button, g_pool.export_button])
    g_pool.gui.append(g_pool.quickbar)
    g_pool.gui.append(g_pool.main_menu)

    # we always load these plugins
    system_plugins = [('Trim_Marks', {}), ('Seek_Bar', {})]
    default_plugins = [('Log_Display', {}), ('Vis_Scan_Path', {}), ('Vis_Polyline', {}), ('Vis_Circle', {}), ('Video_Export_Launcher', {})]
    previous_plugins = session_settings.get('loaded_plugins', default_plugins)
    g_pool.notifications = []
    g_pool.delayed_notifications = {}
    g_pool.plugins = Plugin_List(g_pool, plugin_by_name, system_plugins+previous_plugins)


    # Register callbacks main_window
    glfwSetFramebufferSizeCallback(main_window, on_resize)
    glfwSetKeyCallback(main_window, on_key)
    glfwSetCharCallback(main_window, on_char)
    glfwSetMouseButtonCallback(main_window, on_button)
    glfwSetCursorPosCallback(main_window, on_pos)
    glfwSetScrollCallback(main_window, on_scroll)
    glfwSetDropCallback(main_window, on_drop)
    # trigger on_resize
    on_resize(main_window, *glfwGetFramebufferSize(main_window))

    g_pool.gui.configuration = session_settings.get('ui_config', {})

    # gl_state settings
    gl_utils.basic_gl_setup()
    g_pool.image_tex = Named_Texture()

    # set up performace graphs:
    pid = os.getpid()
    ps = psutil.Process(pid)
    ts = None

    cpu_graph = graph.Bar_Graph()
    cpu_graph.pos = (20, 110)
    cpu_graph.update_fn = ps.cpu_percent
    cpu_graph.update_rate = 5
    cpu_graph.label = 'CPU %0.1f'

    fps_graph = graph.Bar_Graph()
    fps_graph.pos = (140, 110)
    fps_graph.update_rate = 5
    fps_graph.label = "%0.0f REC FPS"

    pupil_graph = graph.Bar_Graph(max_val=1.0)
    pupil_graph.pos = (260, 110)
    pupil_graph.update_rate = 5
    pupil_graph.label = "Confidence: %0.2f"

    while not glfwWindowShouldClose(main_window):
        # grab new frame
        if g_pool.play or g_pool.new_seek:
            g_pool.new_seek = False
            try:
                new_frame = cap.get_frame_nowait()
            except EndofVideoFileError:
                # end of video logic: pause at last frame.
                g_pool.play = False
                logger.warning("end of video")
            update_graph = True
        else:
            update_graph = False

        frame = new_frame.copy()
        events = {}
        # report time between now and the last loop interation
        events['dt'] = get_dt()
        # new positons we make a deepcopy just like the image is a copy.
        events['gaze_positions'] = deepcopy(g_pool.gaze_positions_by_frame[frame.index])
        events['pupil_positions'] = deepcopy(g_pool.pupil_positions_by_frame[frame.index])

        if update_graph:
            # update performace graphs
            for p in events['pupil_positions']:
                pupil_graph.add(p['confidence'])

            t = new_frame.timestamp
            if ts and ts != t:
                dt, ts = t-ts, t
                fps_graph.add(1./dt)
            else:
               ts = new_frame.timestamp

            g_pool.play_button.status_text = str(frame.index)
        # always update the CPU graph
        cpu_graph.update()

        # publish delayed notifiactions when their time has come.
        for n in list(g_pool.delayed_notifications.values()):
            if n['_notify_time_'] < time():
                del n['_notify_time_']
                del g_pool.delayed_notifications[n['subject']]
                g_pool.notifications.append(n)

        # notify each plugin if there are new notifactions:
        while g_pool.notifications:
            n = g_pool.notifications.pop(0)
            for p in g_pool.plugins:
                p.on_notify(n)

        # allow each Plugin to do its work.
        for p in g_pool.plugins:
            p.update(frame, events)

        # check if a plugin need to be destroyed
        g_pool.plugins.clean()

        # render camera image
        glfwMakeContextCurrent(main_window)
        gl_utils.make_coord_system_norm_based()
        g_pool.image_tex.update_from_frame(frame)
        g_pool.image_tex.draw()
        gl_utils.make_coord_system_pixel_based(frame.img.shape)
        # render visual feedback from loaded plugins
        for p in g_pool.plugins:
            p.gl_display()

        graph.push_view()
        fps_graph.draw()
        cpu_graph.draw()
        pupil_graph.draw()
        graph.pop_view()
        g_pool.gui.update()

        # present frames at appropriate speed
        cap.wait(frame)

        glfwSwapBuffers(main_window)
        glfwPollEvents()

    session_settings['loaded_plugins'] = g_pool.plugins.get_initializers()
    session_settings['min_data_confidence'] = g_pool.min_data_confidence
    session_settings['gui_scale'] = g_pool.gui.scale
    session_settings['ui_config'] = g_pool.gui.configuration
    session_settings['window_size'] = glfwGetWindowSize(main_window)
    session_settings['window_position'] = glfwGetWindowPos(main_window)
    session_settings['version'] = g_pool.version
    session_settings.close()

    # de-init all running plugins
    for p in g_pool.plugins:
        p.alive = False
    g_pool.plugins.clean()

    cap.cleanup()
    g_pool.gui.terminate()
    glfwDestroyWindow(main_window)
示例#33
0
def _export_world_video(
    rec_dir,
    user_dir,
    min_data_confidence,
    start_frame,
    end_frame,
    plugin_initializers,
    out_file_path,
    pre_computed_eye_data,
):
    """
    Simulates the generation for the world video and saves a certain time range as a video.
    It simulates a whole g_pool such that all plugins run as normal.
    """
    from glob import glob
    from time import time

    import file_methods as fm
    import player_methods as pm
    from av_writer import AV_Writer

    # we are not importing manual gaze correction. In Player corrections have already been applied.
    # in batch exporter this plugin makes little sense.
    from fixation_detector import Offline_Fixation_Detector
    from eye_movement import Offline_Eye_Movement_Detector

    # Plug-ins
    from plugin import Plugin_List, import_runtime_plugins
    from video_capture import EndofVideoError, File_Source
    from video_overlay.plugins import Video_Overlay, Eye_Overlay
    from vis_circle import Vis_Circle
    from vis_cross import Vis_Cross
    from vis_light_points import Vis_Light_Points
    from vis_polyline import Vis_Polyline
    from vis_scan_path import Vis_Scan_Path
    from vis_watermark import Vis_Watermark

    PID = str(os.getpid())
    logger = logging.getLogger(__name__ + " with pid: " + PID)
    start_status = "Starting video export with pid: {}".format(PID)
    logger.info(start_status)
    yield start_status, 0

    try:
        vis_plugins = sorted(
            [
                Vis_Circle,
                Vis_Cross,
                Vis_Polyline,
                Vis_Light_Points,
                Vis_Watermark,
                Vis_Scan_Path,
                Eye_Overlay,
                Video_Overlay,
            ],
            key=lambda x: x.__name__,
        )
        analysis_plugins = [Offline_Fixation_Detector, Offline_Eye_Movement_Detector]
        user_plugins = sorted(
            import_runtime_plugins(os.path.join(user_dir, "plugins")),
            key=lambda x: x.__name__,
        )

        available_plugins = vis_plugins + analysis_plugins + user_plugins
        name_by_index = [p.__name__ for p in available_plugins]
        plugin_by_name = dict(zip(name_by_index, available_plugins))

        meta_info = pm.load_meta_info(rec_dir)

        g_pool = GlobalContainer()
        g_pool.app = "exporter"
        g_pool.min_data_confidence = min_data_confidence

        valid_ext = (".mp4", ".mkv", ".avi", ".h264", ".mjpeg", ".fake")
        try:
            video_path = next(
                f
                for f in glob(os.path.join(rec_dir, "world.*"))
                if os.path.splitext(f)[1] in valid_ext
            )
        except StopIteration:
            raise FileNotFoundError("No Video world found")
        cap = File_Source(g_pool, source_path=video_path, fill_gaps=True, timing=None)

        timestamps = cap.timestamps

        file_name = os.path.basename(out_file_path)
        dir_name = os.path.dirname(out_file_path)
        out_file_path = os.path.expanduser(os.path.join(dir_name, file_name))

        if os.path.isfile(out_file_path):
            logger.warning("Video out file already exsists. I will overwrite!")
            os.remove(out_file_path)
        logger.debug("Saving Video to {}".format(out_file_path))

        # Trim mark verification
        # make sure the trim marks (start frame, end frame) make sense:
        # We define them like python list slices, thus we can test them like such.
        trimmed_timestamps = timestamps[start_frame:end_frame]
        if len(trimmed_timestamps) == 0:
            warn = "Start and end frames are set such that no video will be exported."
            logger.warning(warn)
            yield warn, 0.0
            return

        if start_frame is None:
            start_frame = 0

        # these two vars are shared with the launching process and give a job length and progress report.
        frames_to_export = len(trimmed_timestamps)
        current_frame = 0
        exp_info = (
            "Will export from frame {} to frame {}. This means I will export {} frames."
        )
        logger.debug(
            exp_info.format(
                start_frame, start_frame + frames_to_export, frames_to_export
            )
        )

        # setup of writer
        writer = AV_Writer(
            out_file_path, fps=cap.frame_rate, audio_dir=rec_dir, use_timestamps=True
        )

        cap.seek_to_frame(start_frame)

        start_time = time()

        g_pool.plugin_by_name = plugin_by_name
        g_pool.capture = cap
        g_pool.rec_dir = rec_dir
        g_pool.user_dir = user_dir
        g_pool.meta_info = meta_info
        g_pool.timestamps = timestamps
        g_pool.delayed_notifications = {}
        g_pool.notifications = []

        for initializers in pre_computed_eye_data.values():
            initializers["data"] = [
                fm.Serialized_Dict(msgpack_bytes=serialized)
                for serialized in initializers["data"]
            ]

        g_pool.pupil_positions = pm.Bisector(**pre_computed_eye_data["pupil"])
        g_pool.pupil_positions_by_id = (
            pm.Bisector(**pre_computed_eye_data["pupil_by_id_0"]),
            pm.Bisector(**pre_computed_eye_data["pupil_by_id_1"]),
        )
        g_pool.gaze_positions = pm.Bisector(**pre_computed_eye_data["gaze"])
        g_pool.fixations = pm.Affiliator(**pre_computed_eye_data["fixations"])

        # add plugins
        g_pool.plugins = Plugin_List(g_pool, plugin_initializers)

        while frames_to_export > current_frame:
            try:
                frame = cap.get_frame()
            except EndofVideoError:
                break

            events = {"frame": frame}
            # new positions and events
            frame_window = pm.enclosing_window(g_pool.timestamps, frame.index)
            events["gaze"] = g_pool.gaze_positions.by_ts_window(frame_window)
            events["pupil"] = g_pool.pupil_positions.by_ts_window(frame_window)

            # publish delayed notifications when their time has come.
            for n in list(g_pool.delayed_notifications.values()):
                if n["_notify_time_"] < time():
                    del n["_notify_time_"]
                    del g_pool.delayed_notifications[n["subject"]]
                    g_pool.notifications.append(n)

            # notify each plugin if there are new notifications:
            while g_pool.notifications:
                n = g_pool.notifications.pop(0)
                for p in g_pool.plugins:
                    p.on_notify(n)

            # allow each Plugin to do its work.
            for p in g_pool.plugins:
                p.recent_events(events)

            writer.write_video_frame(frame)
            current_frame += 1
            yield "Exporting with pid {}".format(PID), current_frame

        writer.close(timestamp_export_format="all")

        duration = time() - start_time
        effective_fps = float(current_frame) / duration

        result = "Export done: Exported {} frames to {}. This took {} seconds. Exporter ran at {} frames per second."
        logger.info(
            result.format(current_frame, out_file_path, duration, effective_fps)
        )
        yield "Export done. This took {:.0f} seconds.".format(duration), current_frame

    except GeneratorExit:
        logger.warning("Video export with pid {} was canceled.".format(os.getpid()))